Cita APA (7a ed.)
South African journal of obstetrics and gynaecology [S Afr J Obstet Gynaecol] NLMUID: 7503213.
Cita Chicago Style (17a ed.)
South African Journal of Obstetrics and Gynaecology [S Afr J Obstet Gynaecol] NLMUID: 7503213.
Cita MLA (9a ed.)
South African Journal of Obstetrics and Gynaecology [S Afr J Obstet Gynaecol] NLMUID: 7503213.
警告：這些引文格式不一定是100％准確.