User's guide : to accompany the 11th edition of intellectual disability : definition, classification, and systems of supports
developed by the AAIDD User's Guide Work Group
American Association on Intellectual and Developmental Disabilities, c2012
User's guide : intellectual disability : definition, classification, and systems of supports
Includes bibliographical references (p. 77-82) and index
AAIDD User's Guide Work Group: Robert L. Schalock, Ruth Luckasson, Val Bradley, Wil Buntinx, Yves Lachapelle, Karrie A. Shogren, Martha E. Snell, James R. Thompson, Marc Tassé, Miguel A. Verdugo-Alonso, and Michael L. Wehmeyer