APA aipamena

Gilstrap, L. C. (1997). Study guide for Williams Obstetrics (20th ed.). Appleton & Lange.

Chicago Style aipamena

Gilstrap, Larry C. Study Guide for Williams Obstetrics. 20th ed. Stamford, CT: Appleton & Lange, 1997.

MLA aipamena

Gilstrap, Larry C. Study Guide for Williams Obstetrics. 20th ed. Appleton & Lange, 1997.