APA aipamena

Cotta, H. (1989). Orthopaedics: A brief textbook. Year Book Medical.

Chicago Style aipamena

Cotta, Horst. Orthopaedics: A Brief Textbook. Year Book Medical, 1989.

MLA aipamena

Cotta, Horst. Orthopaedics: A Brief Textbook. Year Book Medical, 1989.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.