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