McClelland, D. A. (1991). Qualitative approaches and the study of attitudes and persons with developmental disabilities: Some general topics of concern. Dept. of Research, The Vocational and Rehabilitation Research Institute.

McClelland, David A. Qualitative Approaches and the Study of Attitudes and Persons with Developmental Disabilities: Some General Topics of Concern. Calgary, Alta.: Dept. of Research, The Vocational and Rehabilitation Research Institute, 1991.

McClelland, David A. Qualitative Approaches and the Study of Attitudes and Persons with Developmental Disabilities: Some General Topics of Concern. Dept. of Research, The Vocational and Rehabilitation Research Institute, 1991.