Não informado. (2000). Transactions of the Amerian Association of Obstetricians, Gynecologists and Abdominal Surgeons. American Association of Obstetricians and Gynecologists.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Transactions of the Amerian Association of Obstetricians, Gynecologists and Abdominal Surgeons. Philadelphia, Pa: American Association of Obstetricians and Gynecologists, 2000.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Transactions of the Amerian Association of Obstetricians, Gynecologists and Abdominal Surgeons. American Association of Obstetricians and Gynecologists, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.