New York. Mount Sinai Hospital. 1960 & Guttmacher, A. F. (1960). Medical, surgical and gynecological complications of pregnancy. Williams & Wilkins.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNew York. Mount Sinai Hospital. 1960 और Alan F. Guttmacher. Medical, Surgical and Gynecological Complications of Pregnancy. Baltimore: Williams & Wilkins, 1960.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNew York. Mount Sinai Hospital. 1960 और Alan F. Guttmacher. Medical, Surgical and Gynecological Complications of Pregnancy. Williams & Wilkins, 1960.
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