Não informado. (1951). Population Bulletin of the United Nations. United Nations, Population Division.
Style de citation Chicago (17e éd.)Não informado. Population Bulletin of the United Nations. New York: United Nations, Population Division, 1951.
Style de citation MLA (8e éd.)Não informado. Population Bulletin of the United Nations. United Nations, Population Division, 1951.
Attention : ces citations peuvent ne pas être correctes à 100%.