Christopher, D. (1977). Textbook of surgery, the biological basis of modern surgical practice.
Lua i Stíl Chicago (17ú heag.)Christopher, Davis. Textbook of Surgery, the Biological Basis of Modern Surgical Practice. 1977.
Lua MLA (9ú heag.)Christopher, Davis. Textbook of Surgery, the Biological Basis of Modern Surgical Practice. 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.