APA (7e ed.) Bronvermelding

Bradley, B. H., Hundziak, M., & Patterson, R. M. (1971). Teaching moderately and severely retarded children: A diagnostic approach. Thomas.

Chicago (17e ed.) Bronvermelding

Bradley, Betty Hunt, Marcel Hundziak, en Ruth M. Patterson. Teaching Moderately and Severely Retarded Children: A Diagnostic Approach. Springfield, Ill.: Thomas, 1971.

MLA (8e ed.) Bronvermelding

Bradley, Betty Hunt, et al. Teaching Moderately and Severely Retarded Children: A Diagnostic Approach. Thomas, 1971.