Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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