APA
United Nations. Department For Economic and Social Information and Policy Analysis, . (1994). Demographic yearbook 1992. New York: United Nations.
Chicago
United Nations. Department For Economic and Social Information and Policy Analysis, . 1994. Demographic yearbook 1992. New York: United Nations.
Harvard
United Nations. Department For Economic and Social Information and Policy Analysis, . (1994). Demographic yearbook 1992. New York: United Nations.
MLA
United Nations. Department For Economic and Social Information and Policy Analysis, . Demographic yearbook 1992. New York: United Nations. 1994.