1. Diagnostic and Statistical Manual of Mental Disorders IV,1994
2. American Association on Mental Retardation definition of mental retardation. Available at http://www.aamr.org/Policies/faq_mental_retardation.shtml. Accessed July 17, 2006
3. Naming, defining, and classifying in mental retardation;Luckasson;Ment Retard,2001
4. Symposium: What’s in a name?;Ment Retard,2002
5. From handicap to disability: Language use and cultural meaning in the United States;Devlieger;Disabil Rehabil,1999