Não informado. (1968). Singapore journal of obstetrics and gynaecology. Obstetrical and Gynaecological Society of Singapore.
Cita Chicago Style (17a ed.)Não informado. Singapore Journal of Obstetrics and Gynaecology. Singapore: Obstetrical and Gynaecological Society of Singapore, 1968.
Cita MLA (8a ed.)Não informado. Singapore Journal of Obstetrics and Gynaecology. Obstetrical and Gynaecological Society of Singapore, 1968.
Precaución: Estas citas no son 100% exactas.