Speert, H. (1980). Obstetrics and gynecology in America: A history. American College of Obstetricians and Gynecologists.
Chicago-Zitierstil (17. Ausg.)Speert, Harold. Obstetrics and Gynecology in America: A History. Chicago, Ill: American College of Obstetricians and Gynecologists, 1980.
MLA-Zitierstil (9. Ausg.)Speert, Harold. Obstetrics and Gynecology in America: A History. American College of Obstetricians and Gynecologists, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.