2."Saudi crown prince: If Iran develops nuclear bomb, so will we". CBS News. 15 March 2018. Retrieved 16 March 2018.
3.Ali Fathollah-Nejad, Brief aus Manama [Letter from Manama], impressions from the IISS (International Institute for Strategic Studies) Manama Dialogue 2016, WeltTrends: Das außenpolitische Journal, No. 125 (March 2017), pp. 19–21.
4.Ali Fathollah-Nejad, German–Iranian Relations after the Nuclear Deal: Geopolitical and Economic Dimensions, Insight Turkey, Vol. 18, No. 1 (Winter 2016), pp. 59–75.
5.Alikhani, Mehdi (1986), "Iran and Saudi Arabia: From Post-Balance to Crisis to Mohammad bin Salman Crisis", Diplomatic Monthly, March 2016. (in Persian)
6.Asadi, Ali Akbar (2016), "Offensive Foreign Policy and Saudi Domestic Policy," Quarterly Journal of Foreign Relations, Eighth Year, No. 1, pp. 9-16(in Persian)
7. Al-Bassouni, Mohammed Abdul Halim (2015), Computational Accounts: Al-Arabi Al-Arabi and Al-Asriyah Al-Qaeda, Lalderassat Al-Qulim Center. (in Persian)
8.Bassam, Laila; Perry, Tom (6 November 2015). "Saudi support to rebels slows Assad attacks: pro-Damascus sources". Reuters. Retrieved 6 October 2016.
9.Corbeil, Alexander & Amarnath Amarasingam (March 31, 2016)," TheHouthi Hezbollah: Iran, s Train-and-Equip Program in Sanaa ",https://www.foreignaffairs.com/articles/.
11.EIA (2008) Annual Energy Outlook 2009, DOE/EIA- 0383(2008) (Washington, DC, June.
12.Ennis, Crystal A. and Momani, Bessma. 2013. “Shaping the Middle East in the Midst of the Arab Uprisings: Turkish and Saudi foreign policy strategies,” Third World Quarterly, Vol. 34, No. 6: 1127–114.
13.Hameed, Usjid U,(2017)” The Saudi-Iranian Rivalry: A Foreign Policy Analysis Approach”, TOWSON UNIVERSITY JOURNAL OF INTERNATIONAL AFFAIRS VOL. L NO. 2.
14. http://www.independent.co.uk/news/world/middle-east/saudi-arabia-could-be-bankrupt-within-five-years-imf-predicts-a6706821.html
15.John J. Mearsheimer and Stephen M. Walt, "Keeping Saddam Hussein in a Box," New York Times, February 2, 2003.
16.John J. Mearsheimer and Stephen M. Walt, "The Israel Lobby and U.S. Foreign Policy," Faculty Research Working Paper No. RWP06-011, John F. Kennedy School of Government, Harvard University, March 13, 2006. For a revised, updated, and unabridged version, see John J. Mearsheimer and Stephen M. Walt, "The Israel Lobby and U.S. Foreign Policy," Middle East Policy, Vol. 13, No. 3 (Fall 2006), pp. 29-87
17.John J. Mearsheimer, (2010)“Structural Realism,” in Timothy Dunne, Milja Kurki, and Steve Smith. International Relations Theories: Discipline and Diversity. (Oxford: Oxford University Press, 2010), 77-94, 78.
18.Johnson, Henry (30 October 2015). "Mapping the Deaths of Iranian Officers Across Syria". Foreign Policy. Retrieved 6 October 2016.
19.Karami, Kamran (December 1396), "Hashemi's Role in Architecture of Iranian-Saudi Relations", Faratab News-Analytical Site http://www.faratab.com/news/7182/(in Persian)
20.Kausch, Kristina (2015).Geopolitics and Democracy in the Middle East.FRIDE. A European Think Tank for Global Action.
21. Keynoush, Banafsheh. 2016. Saudi Arabia and Iran: Friends or Foes? New York: Palgrave McMillan.
22.Khalaji, Mehdi (27 June 2011). "Iran's Policy Confusion about Bahrain". The Washington Institute for Near East Policy. Retrieved 7 October 2016.
23.Khazri, Ehsan, Safavi, Seyed Hamzeh and Amin Parhizkar (2015), "Rooting Iran-Saudi Conflict: Case Studies of Three Countries Iraq, Bahrain and Yemen", International Political Research Quarterly, Issue 23. Pp. 179-207. (in Persian)
24.Landler, Mark (8 May 2018). "Trump Withdraws U.S. From 'One-Sided' Iran Nuclear Deal". The New York Times. Retrieved 8 May 2018.
25.Macias, Amanda (19 March 2018). "Saudi crown prince, Trump to hold 'critical' talks on Iran nuclear deal". CNBC. Retrieved 20 March 2018.
27.Nasserpour, Hassan (1986), "Components of the Saudi Hybrid War Against the Islamic Republic: 2015-2017", Humanities and Cultural Studies Research Institute, Eighth Year, No. 4, pp. 27-46. (in Persian)
28.Nejat, Seyyed Ali and Mousavi, Seyyed Reza and Saremi, Mohammad Reza (2016), "Saudi Arabia and the Islamic Republic of Iran's Response to the Yemen Crisis", Journal of International Relations Studies, Ninth Year, No. 33. Pp. 137-179. (in Persian)
29.Opec Monthly Oil Market Report, )11 October 2017(”Feature article:The Winter Product Markets Outlook”.
30. Pourhashemi, Seyyed Abbas & Nemati, Akram & Heydari, Flora (2013), "The Legal Regime of Environmental Protection of International Waterways with Emphasis on the Strait of Hormuz", Encyclopedia of Law and Politics, No. 20, pp. 20-107. (in Persian)
31. Purnouri, Mansour, International Law of the Seas, Tehran, Payam Hagh Publications, Second Volume, First Edition, 2004, p. 46. (in Persian)
32.Ramani, Samuel (12 September 2016). "Israel Is Strengthening Its Ties With The Gulf Monarchies". The Huffington Post. Retrieved 14 September 2016.
33. Sanger, David E. Kirkpatrick, David D. Sengupta, Somini (29 October 2015). "Rancor Between Saudi Arabia and Iran Threatens Talks on Syria". The New York Times. Retrieved 6 October 2016.
34.See Farhi, Farideh & Lotfian, Saideh [Faculty of Law and Political Sciences, University of Tehran] (2012) ‘Iran’s Post‐Revolution Foreign Policy Puzzle’, in: Nau, Henry R. & Ollapally, Deepa M. (eds.) Worldviews of Aspiring Powers: Domestic Foreign Policy Debates in China, India, Iran, Japan, and Russia, New York: Oxford University Press, pp. 114–145.
35.Sipri Fact Sheet (April 2016),"Trends in World Military Expenditure, 2015", Available at web:www.sipri.org/databases/milex/.
36.Trickett, Nicholas(2018),” Shale to the Chief: Russia and Saudi Arabia’s Great Oil Game” https://thediplomat.com/2018/02/shale-to-the-chief-russia-and-saudi-arabias-great-oil-game/
)