Wells KC, Egan J: Social learning and systems family therapy for childhood oppositional disorder. Comparative treatment outcome. Comprehensive Psychiatry 29: 138-146, 1988.
Conners CK, Wells KC: Hyperkinetic Children: A Neuropsychosocial Approach. New York: Sage, 1986..
Wells KC, Griest DL, Forehand, R: The use of a self-control procedure to enhance temporal generality of a parent training program. Behaviour Research and Therapy 18: 347-353, 1980.