De Normandie, R. L. (1914). Case histories in obstetrics: Groups of cases illustrating the fundamental problems which arise in obstetrics. W.M. Leonard.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDe Normandie, Robert L. Case Histories in Obstetrics: Groups of Cases Illustrating the Fundamental Problems Which Arise in Obstetrics. Boston: W.M. Leonard, 1914.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDe Normandie, Robert L. Case Histories in Obstetrics: Groups of Cases Illustrating the Fundamental Problems Which Arise in Obstetrics. W.M. Leonard, 1914.
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