APA
Geneva U. N. C. o. T. a. D., . (1991). Handbook of international trade and development statistics. New York: United Nations.
Chicago
Geneva United Nations Conference on Trade and Development, . 1991. Handbook of international trade and development statistics. New York: United Nations.
Harvard
Geneva U. N. C. o. T. a. D., . (1991). Handbook of international trade and development statistics. New York: United Nations.
MLA
Geneva United Nations Conference on Trade and Development, . Handbook of international trade and development statistics. New York: United Nations. 1991.