APA
United Nations. Department of International economic and social affairs, . (1986). Population policy briefs. New York: U.N.
Chicago
United Nations. Department of International economic and social affairs, . 1986. Population policy briefs. New York: U.N.
Harvard
United Nations. Department of International economic and social affairs, . (1986). Population policy briefs. New York: U.N.
MLA
United Nations. Department of International economic and social affairs, . Population policy briefs. New York: U.N. 1986.