APA
United Nations D. f. e. a. s. i. a. p. a., United Nations D. f. e. a. s. i. a. p. a., . (1993). Commodity trade statistics. New York: United Nations.
Chicago
United Nations Deptt for economic and social information and policy analyais, United Nations Deptt for economic and social information and policy analyais, . 1993. Commodity trade statistics. New York: United Nations.
Harvard
United Nations D. f. e. a. s. i. a. p. a., United Nations D. f. e. a. s. i. a. p. a., . (1993). Commodity trade statistics. New York: United Nations.
MLA
United Nations Deptt for economic and social information and policy analyais, United Nations Deptt for economic and social information and policy analyais, . Commodity trade statistics. New York: United Nations. 1993.
