1. Scope of practice in speech language pathology;American Speech-Language Hearing Association,2001
2. Professional voice: the science and art of clinical care;Sataloff,2005
3. The science of the singing voice;Sundberg,1987
4. Effects of voice disorders on quality of life;Smith;J Med Speech Lang Pathol,1997
5. The role of the speech language pathologist, the teacher of singing, and the speaking voice trainer in voice habilitation;American Speech-Language- Hearing Association,2005