APA (7e ed.) Bronvermelding

Não informado. (2007). American Journal of Obstetrics and Gynecology. Pharmapress.

Chicago (17e ed.) Bronvermelding

Não informado. American Journal of Obstetrics and Gynecology. São Paulo: Pharmapress, 2007.

MLA (8e ed.) Bronvermelding

Não informado. American Journal of Obstetrics and Gynecology. Pharmapress, 2007.

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