Não informado. (2016). The Year Book of Obstetrics and Gynecology. Year Book Medical Publishers.
Cita Chicago Style (17a ed.)Não informado. The Year Book of Obstetrics and Gynecology. Chicago, Ill: Year Book Medical Publishers, 2016.
Cita MLA (8a ed.)Não informado. The Year Book of Obstetrics and Gynecology. Year Book Medical Publishers, 2016.
Precaución: Estas citas no son 100% exactas.