Não informado. (2000). Transactions of the American Association of Obstetricians and Gynecologists. American Association of Obstetricians and Gynecologists.
Chicago-Zitierstil (17. Ausg.)Não informado. Transactions of the American Association of Obstetricians and Gynecologists. Philadelphia, Pa: American Association of Obstetricians and Gynecologists, 2000.
MLA-Zitierstil (8. Ausg.)Não informado. Transactions of the American Association of Obstetricians and Gynecologists. American Association of Obstetricians and Gynecologists, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.