Não informado. (1968). Singapore journal of obstetrics and gynaecology. Obstetrical and Gynaecological Society of Singapore.
Chicago-Zitierstil (17. Ausg.)Não informado. Singapore Journal of Obstetrics and Gynaecology. Singapore: Obstetrical and Gynaecological Society of Singapore, 1968.
MLA-Zitierstil (8. Ausg.)Não informado. Singapore Journal of Obstetrics and Gynaecology. Obstetrical and Gynaecological Society of Singapore, 1968.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.