Não informado. (2000). Transactions of the Amerian Association of Obstetricians, Gynecologists and Abdominal Surgeons. American Association of Obstetricians and Gynecologists.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Transactions of the Amerian Association of Obstetricians, Gynecologists and Abdominal Surgeons. Philadelphia, Pa: American Association of Obstetricians and Gynecologists, 2000.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Transactions of the Amerian Association of Obstetricians, Gynecologists and Abdominal Surgeons. American Association of Obstetricians and Gynecologists, 2000.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.