Não informado. The Year Book of Obstetrics, Gynecology and Women's Health. Moshy-Yar Book.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. The Year Book of Obstetrics, Gynecology and Women's Health. Saint Louis, Mo: Moshy-Yar Book.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. The Year Book of Obstetrics, Gynecology and Women's Health. Moshy-Yar Book.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.