United Nations. Department of Social Affairs. Population Division & United Nations. Department for Economic and Social Information and Policy Analysis. Population Division. (1951). Population bulletin. United Nations.
Chicago Style (17th ed.) CitationUnited Nations. Department of Social Affairs. Population Division and United Nations. Department for Economic and Social Information and Policy Analysis. Population Division. Population Bulletin. New York: United Nations, 1951.
MLA引文United Nations. Department of Social Affairs. Population Division and United Nations. Department for Economic and Social Information and Policy Analysis. Population Division. Population Bulletin. United Nations, 1951.
警告：這些引文格式不一定是100％准確.