Não informado. (1985). Current problems in obstetrics, gynecology and fertility. Mosby Year Book.
Chicago-Zitierstil (17. Ausg.)Não informado. Current Problems in Obstetrics, Gynecology and Fertility. Saint Louis, Mo: Mosby Year Book, 1985.
MLA-Zitierstil (8. Ausg.)Não informado. Current Problems in Obstetrics, Gynecology and Fertility. Mosby Year Book, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.