Não informado. (1994). Journal of the American College of Surgeons. American College of Surgeons.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of the American College of Surgeons. Chicago, Ill: American College of Surgeons, 1994.
Lua MLA (8ú heag.)Não informado. Journal of the American College of Surgeons. American College of Surgeons, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.