Cotta, H. (1989). Orthopaedics: A brief textbook. Year Book Medical.
Cita Chicago (17th ed.)Cotta, Horst. Orthopaedics: A Brief Textbook. Year Book Medical, 1989.
Cita MLA (9th ed.)Cotta, Horst. Orthopaedics: A Brief Textbook. Year Book Medical, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.