APA (7e ed.) Bronvermelding

Não informado. (2010). British Journal of Obstetrics and Gynaecology. Blackwell Scientific Publications.

Chicago (17e ed.) Bronvermelding

Não informado. British Journal of Obstetrics and Gynaecology. Oxford, Inglaterra: Blackwell Scientific Publications, 2010.

MLA (8e ed.) Bronvermelding

Não informado. British Journal of Obstetrics and Gynaecology. Blackwell Scientific Publications, 2010.

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