Cotta, H. (1989). Orthopaedics: A brief textbook. Year Book Medical.
Chicago Style aipamenaCotta, Horst. Orthopaedics: A Brief Textbook. Year Book Medical, 1989.
MLA aipamenaCotta, Horst. Orthopaedics: A Brief Textbook. Year Book Medical, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.