Christopher, F., & Davis, L. (1968). Textbook of surgery. Saunders.
Lua i Stíl Chicago (17ú heag.)Christopher, Frederick, agus Loyal Davis. Textbook of Surgery. Philadelphia: Saunders, 1968.
Lua MLA (9ú heag.)Christopher, Frederick, agus Loyal Davis. Textbook of Surgery. Saunders, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.