APA
United Nations i. e. a. s. a. (. o., United Nations i. e. a. s. a. (. o., . (1988). Commodity trade statistics 1986. New York: United Nations.
Chicago
United Nations internations economic and social affairs (Departt of-), United Nations internations economic and social affairs (Departt of-), . 1988. Commodity trade statistics 1986. New York: United Nations.
Harvard
United Nations i. e. a. s. a. (. o., United Nations i. e. a. s. a. (. o., . (1988). Commodity trade statistics 1986. New York: United Nations.
MLA
United Nations internations economic and social affairs (Departt of-), United Nations internations economic and social affairs (Departt of-), . Commodity trade statistics 1986. New York: United Nations. 1988.
