APA (7e ed.) Bronvermelding

Não informado. (1951). Population Bulletin of the United Nations. United Nations, Population Division.

Chicago (17e ed.) Bronvermelding

Não informado. Population Bulletin of the United Nations. New York: United Nations, Population Division, 1951.

MLA (8e ed.) Bronvermelding

Não informado. Population Bulletin of the United Nations. United Nations, Population Division, 1951.

Let op: Deze citaties zijn niet altijd 100% accuraat.