1. Gary G. Sick, “The Coming Crisis in the Persian Gulf”, in The Persian Gulf at the Millennium: Essays in Politics, Economy, Security, and Religion. Eds. Gary G. Sick and Lawrence G. Potter (New York: St. Martin’s Press, 1997), p. 11.
2. Alan Munro, “Defence Issues in the Gulf”, Asian Affairs, Vol. 28, No. 2 (June 1997): p. 197–205.
3. BP, Statistical Review of World Energy 2006.
4. J.B. Kelly, Arabia, the Gulf, and the West (New York: Basic Books, 1980), pp. 45–103; Charles A. Kupchan, The Persian Gulf and the West, Dilemmas of Security (Boston: Allen & Unwin, 1987), pp. 38–43.
5. Kupchan, pp. 38–43.