United Nations Department of Economic and Social Information and Policy Analysis. (1991). Population bulletin of the United Nations No 31/32-1991. United Nations.
Chicago Style (17th ed.) CitationUnited Nations Department of Economic and Social Information and Policy Analysis. Population Bulletin of the United Nations No 31/32-1991. New York: United Nations, 1991.
MLA (8th ed.) CitationUnited Nations Department of Economic and Social Information and Policy Analysis. Population Bulletin of the United Nations No 31/32-1991. United Nations, 1991.
Warning: These citations may not always be 100% accurate.