APA
UNITED NATIONS I. E. A. S. I. A. P. A. (. o., UNITED NATIONS I. E. A. S. I. A. P. A. (. o., . (1993). Commodity trade statistics,1989. New York: United Nations.
Chicago
UNITED NATIONS INTERNATIONAL ECONOMIC AND SOCIAL INFORMATION AND POLICY ANALYSIS (Deparment of), UNITED NATIONS INTERNATIONAL ECONOMIC AND SOCIAL INFORMATION AND POLICY ANALYSIS (Deparment of), . 1993. Commodity trade statistics,1989. New York: United Nations.
Harvard
UNITED NATIONS I. E. A. S. I. A. P. A. (. o., UNITED NATIONS I. E. A. S. I. A. P. A. (. o., . (1993). Commodity trade statistics,1989. New York: United Nations.
MLA
UNITED NATIONS INTERNATIONAL ECONOMIC AND SOCIAL INFORMATION AND POLICY ANALYSIS (Deparment of), UNITED NATIONS INTERNATIONAL ECONOMIC AND SOCIAL INFORMATION AND POLICY ANALYSIS (Deparment of), . Commodity trade statistics,1989. New York: United Nations. 1993.
