APA (7 वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, & De Swiet, M. (2002). Medical disorders in obstetric practice (4th ed.). Blackwell Science.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, और Michael De Swiet. Medical Disorders in Obstetric Practice. 4th ed. Malden, MA: Blackwell Science, 2002.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, और Michael De Swiet. Medical Disorders in Obstetric Practice. 4th ed. Blackwell Science, 2002.