Carr, J. H., & Yule, W. (1980). Behaviour modification for the mentally handicapped. Croom Helm.
Cita Chicago (17th ed.)Carr, Janet H., i William Yule. Behaviour Modification for the Mentally Handicapped. London: Croom Helm, 1980.
Cita MLA (8th ed.)Carr, Janet H., i William Yule. Behaviour Modification for the Mentally Handicapped. Croom Helm, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.