Bull, T. R. (1974). Color atlas of E N T diagnosis. Year Book Medical.
Cita Chicago (17th ed.)Bull, T. R. Color Atlas of E N T Diagnosis. Year Book Medical, 1974.
Cita MLA (9th ed.)Bull, T. R. Color Atlas of E N T Diagnosis. Year Book Medical, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.