APA (7e ed.) Bronvermelding

Não informado. (1952). International planned parenthood news. International Planned Parenthood Federation.

Chicago (17e ed.) Bronvermelding

Não informado. International Planned Parenthood News. London: International Planned Parenthood Federation, 1952.

MLA (8e ed.) Bronvermelding

Não informado. International Planned Parenthood News. International Planned Parenthood Federation, 1952.

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