Wielkiewicz, R. M., & Calvert, C. R. X. (1989). Training and habilitating developmentally disabled people : an introduction / Richard M. Wielkiewicz, Christiane R. X. Calvert: An introduction. Sage.
Chicago Style (17th ed.) CitationWielkiewicz, Richard M., and Christiane R. X. Calvert. Training and Habilitating Developmentally Disabled People : An Introduction / Richard M. Wielkiewicz, Christiane R. X. Calvert: An Introduction. Newbury Park, Calif. ; London: Sage, 1989.
MLA (9th ed.) CitationWielkiewicz, Richard M., and Christiane R. X. Calvert. Training and Habilitating Developmentally Disabled People : An Introduction / Richard M. Wielkiewicz, Christiane R. X. Calvert: An Introduction. Sage, 1989.
Warning: These citations may not always be 100% accurate.