APA (7e ed.) Bronvermelding

Christopher, D. (1977). Textbook of surgery, the biological basis of modern surgical practice (11.ed.). Saunders Company.

Chicago (17e ed.) Bronvermelding

Christopher, Davis. Textbook of Surgery, the Biological Basis of Modern Surgical Practice. 11.ed. Washington, D.C: Saunders Company, 1977.

MLA (9e ed.) Bronvermelding

Christopher, Davis. Textbook of Surgery, the Biological Basis of Modern Surgical Practice. 11.ed. Saunders Company, 1977.