APA (7e ed.) Bronvermelding

Não informado. (1975). British Journal of Obstetrics and Gynaecology. Royal College of Obstetricians and Gynaecologists.

Chicago (17e ed.) Bronvermelding

Não informado. British Journal of Obstetrics and Gynaecology. London: Royal College of Obstetricians and Gynaecologists, 1975.

MLA (8e ed.) Bronvermelding

Não informado. British Journal of Obstetrics and Gynaecology. Royal College of Obstetricians and Gynaecologists, 1975.

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