Cotta, H. (1989). Orthopaedics: A brief textbook. Year Book Medical.
Chicago-čujuhus (17. p.)Cotta, Horst. Orthopaedics: A Brief Textbook. Year Book Medical, 1989.
MLA-čujuhus (9. p.)Cotta, Horst. Orthopaedics: A Brief Textbook. Year Book Medical, 1989.
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