OBSTETRICS AND GYNECOLOGY.., LING, F. W. [., & DUFF, P. [. (2001). Obstetrics and gynecology: Principles for practices. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOBSTETRICS AND GYNECOLOGY.., Frank W. [ed] LING, और Patrick [ed] DUFF. Obstetrics and Gynecology: Principles for Practices. New York: McGraw-Hill, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOBSTETRICS AND GYNECOLOGY.., et al. Obstetrics and Gynecology: Principles for Practices. McGraw-Hill, 2001.
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