Schalock Robert L, Luckasson Ruth A, Shogren Karrie A, Borthwick-Duffy Sharon, Bradley Val, Buntinx Wil H E, Coulter David L, Craig Ellis M, Gomez Sharon C, Lachapelle Yves, Reeve Alya, Snell Martha E, Spreat Scott, Tassé Marc J, Thompson James R, Verdugo Miguel A, Wehmeyer Michael L, Yeager Mark H
Hastings College, Hastings, Nebraska, USA.
Intellect Dev Disabil. 2007 Apr;45(2):116-24. doi: 10.1352/1934-9556(2007)45[116:TROMRU]2.0.CO;2.