Não informado. (1968). Singapore journal of obstetrics and gynaecology. Obstetrical and Gynaecological Society of Singapore.
Chicagoスタイル(17版)引用形式Não informado. Singapore Journal of Obstetrics and Gynaecology. Singapore: Obstetrical and Gynaecological Society of Singapore, 1968.
MLA(8版)引用形式Não informado. Singapore Journal of Obstetrics and Gynaecology. Obstetrical and Gynaecological Society of Singapore, 1968.
警告: この引用は必ずしも正確ではありません.