APA (7th ed.) Zitazioa
Gibbs, R. S., & Danforth, D. N. (2008). Danforth's obstetrics and gynecology (Tenth edition.). Lippincott Williams & Wilkins.
Chicago Style (17th ed.) Zitazioa
Gibbs, Ronald S., eta David N. Danforth. Danforth's Obstetrics and Gynecology. Tenth edition. Philadelphia: Lippincott Williams & Wilkins, 2008.
MLA (9th ed.) Zitazioa
Gibbs, Ronald S., eta David N. Danforth. Danforth's Obstetrics and Gynecology. Tenth edition. Lippincott Williams & Wilkins, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.