Berek, J. S., Berek, D. L., Hengst, T. C., Barile, G., & Novak, E. (2012). Berek & Novak's gynecology (15th ed.). Wolters Kluwer Health/Lippincott Williams & Wilkins.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBerek, Jonathan S., Deborah L. Berek, Timothy C. Hengst, George Barile, और Emil Novak. Berek & Novak's Gynecology. 15th ed. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBerek, Jonathan S., et al. Berek & Novak's Gynecology. 15th ed. Wolters Kluwer Health/Lippincott Williams & Wilkins, 2012.
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