Não informado. (2016). The Year Book of Obstetrics and Gynecology. Year Book Medical Publishers.
Chicagoスタイル(17版)引用形式Não informado. The Year Book of Obstetrics and Gynecology. Chicago, Ill: Year Book Medical Publishers, 2016.
MLA(8版)引用形式Não informado. The Year Book of Obstetrics and Gynecology. Year Book Medical Publishers, 2016.
警告: この引用は必ずしも正確ではありません.