Não informado. (2003). Quarterly Review of Obstetrics and Gynecology. Washington Institute of Medicine.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Quarterly Review of Obstetrics and Gynecology. Washington: Washington Institute of Medicine, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Quarterly Review of Obstetrics and Gynecology. Washington Institute of Medicine, 2003.
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