APA (7 वां संस्करण) प्रशस्ति पत्र

Symonds, E. M., & Symonds, I. M. (2004). Essential obstetrics and gynaecology (4th ed.). Churchill Livingstone.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Symonds, E. Malcolm, और Ian M. Symonds. Essential Obstetrics and Gynaecology. 4th ed. Edinburgh, UK: Churchill Livingstone, 2004.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Symonds, E. Malcolm, और Ian M. Symonds. Essential Obstetrics and Gynaecology. 4th ed. Churchill Livingstone, 2004.