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-viite (17. p.)Economic and Social Commission for Western Asia ja Gulf Cooperation Council. Economic Diversification in the Oil-producing Countries: The Case of the Gulf Cooperation Council Economies. New York: United Nations, 2001.
MLA-viite (9. p.)Economic and Social Commission for Western Asia ja Gulf Cooperation Council. Economic Diversification in the Oil-producing Countries: The Case of the Gulf Cooperation Council Economies. United Nations, 2001.
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