1. Vocal Rehabilitation: A Manual;Brodnitz,1965
2. Understanding Voice Problems: A Physiological Perspective for Diagnosis and Treatment;Colton,1996
3. The Structure of Singing: System and Art in Vocal Technique;Miller,1986
4. Singing: The Mechanism and the Technic;Vennard,1967
5. Clinical Voice Disorders;Aronson,1980