APA

Economic and Social Commission for Western Asia, Gulf Cooperation Council, . (2001). Economic diversification in the oil-producing countries. New York: United Nations.

Chicago

Economic and Social Commission for Western Asia, Gulf Cooperation Council, . 2001. Economic diversification in the oil-producing countries. New York: United Nations.

Harvard

Economic and Social Commission for Western Asia, Gulf Cooperation Council, . (2001). Economic diversification in the oil-producing countries. New York: United Nations.

MLA

Economic and Social Commission for Western Asia, Gulf Cooperation Council, . Economic diversification in the oil-producing countries. New York: United Nations. 2001.