Economic and Social Commission for Western Asia & Gulf Cooperation Council. (2001). Economic diversification in the oil-producing countries: The case of the Gulf Cooperation Council economies. United Nations.
Chicago-referens (17:e uppl.)Economic and Social Commission for Western Asia och Gulf Cooperation Council. Economic Diversification in the Oil-producing Countries: The Case of the Gulf Cooperation Council Economies. New York: United Nations, 2001.
MLA-referens (9:e uppl.)Economic and Social Commission for Western Asia och Gulf Cooperation Council. Economic Diversification in the Oil-producing Countries: The Case of the Gulf Cooperation Council Economies. United Nations, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.