1. American Speech–Language–Hearing Association. (2001). Scope of practice in speech–language pathology. Rockville, MD: Author.
2. Baker, R. (2000). The assessment of functional communication in culturally and linguistically diverse populations. In L. E. Worrall & C. M. Frattali (Eds.), Neurogenic communication disorders: A functional approach (pp. 81–100). New York: Thieme Medical Publishers.
3. Carey, R. (1990). Advances in rehabilitation program evaluation. In M. R. Eisenberg & R. C. Grzesiak (Eds.), Advances in clinical rehabilitation (Vol. 3, pp. 217–250). New York: Springer.
4. Davidson, B., & Worrall, L. (2000). The assessment of activity limitation in functional communication: Challenges and choices. In L. E. Worrall & C. M. Frattali (Eds.), Neurogenic communication disorders: A functional approach (pp. 19–34). New York: Thieme Medical Publishers.
5. Davidson, B., Worrall, L., & Hickson, L. (August 1998). Observed communication activities of people with aphasia and healthy older people. Paper presented at the 8th International Aphasia Rehabilitation Conference. Kwa Maritane, South Africa.