APA
UNITED NATIONS I. E. A. S. A. (. o., UNITED NATIONS I. E. A. S. A. (. o., . (1990). Commodity trade statistics. New York: U.N.
Chicago
UNITED NATIONS INTERNATIONAL ECONOMIC AND SOCIAL AFFAIRS (Deptt of-), UNITED NATIONS INTERNATIONAL ECONOMIC AND SOCIAL AFFAIRS (Deptt of-), . 1990. Commodity trade statistics. New York: U.N.
Harvard
UNITED NATIONS I. E. A. S. A. (. o., UNITED NATIONS I. E. A. S. A. (. o., . (1990). Commodity trade statistics. New York: U.N.
MLA
UNITED NATIONS INTERNATIONAL ECONOMIC AND SOCIAL AFFAIRS (Deptt of-), UNITED NATIONS INTERNATIONAL ECONOMIC AND SOCIAL AFFAIRS (Deptt of-), . Commodity trade statistics. New York: U.N. 1990.
