1. American Speech-Language-Hearing Association. (2003). Code of ethics [Ethics]. Available from www.asha.org/policy
2. American Speech-Language-Hearing Association. (2001). Roles and responsibilities of speech-language pathologists with respect to reading and writing in children and adolescents [Position Statement]. Available from www.asha.org/policy
3. American Speech-Language-Hearing Association. (2007). Scope of practice in speech-language pathology [Scope of Practice]. Available from www.asha.org/policy
4. American Speech-Language-Hearing Association. (2009). Introduction to evidence-based practices. Retrieved February 17 2009 from http://www.asha.org/members/ebp/intro.htm