Não informado. (2000). Transactions of the Amerian Association of Obstetricians, Gynecologists and Abdominal Surgeons. American Association of Obstetricians and Gynecologists.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Transactions of the Amerian Association of Obstetricians, Gynecologists and Abdominal Surgeons. Philadelphia, Pa: American Association of Obstetricians and Gynecologists, 2000.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Transactions of the Amerian Association of Obstetricians, Gynecologists and Abdominal Surgeons. American Association of Obstetricians and Gynecologists, 2000.
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