APA (7e ed.) Bronvermelding

Não informado. (1968). Singapore journal of obstetrics and gynaecology. Obstetrical and Gynaecological Society of Singapore.

Chicago (17e ed.) Bronvermelding

Não informado. Singapore Journal of Obstetrics and Gynaecology. Singapore: Obstetrical and Gynaecological Society of Singapore, 1968.

MLA (8e ed.) Bronvermelding

Não informado. Singapore Journal of Obstetrics and Gynaecology. Obstetrical and Gynaecological Society of Singapore, 1968.

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