APA (7e ed.) Bronvermelding

Não informado. (1963). Studies in Family Planning. Population Council.

Chicago (17e ed.) Bronvermelding

Não informado. Studies in Family Planning. New York: Population Council, 1963.

MLA (8e ed.) Bronvermelding

Não informado. Studies in Family Planning. Population Council, 1963.

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