APA aipamena

(2004). Essentials of obstetrics and gynecology. Philadelphia, Pa: Saunders.

Chicago Style aipamena

Essentials of Obstetrics and Gynecology. Philadelphia, Pa: Saunders, 2004.

MLA aipamena

Essentials of Obstetrics and Gynecology. Philadelphia, Pa: Saunders, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.