Benson, R. C. Handbook of obstetrics and gynecology.
Lua i Stíl Chicago (17ú heag.)Benson, Ralph C. Handbook of Obstetrics and Gynecology.
Lua MLA (8ú heag.)Benson, Ralph C. Handbook of Obstetrics and Gynecology.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.