References
- Skinner BF: Science and Human Behavior. New York, Macmillan Co, 1953.
- MacMillan D: Behavior Modification in Education. New York, Macmillan Co, 1973.
- Patterson GR, Gullion ME: Living With Children, ed 2. Champaign, Ill, Research Press, 1971.
- Ullmann LP, Krasner L: Case Studies in Behavior Modification. New York, Holt, Rinehart & Winston, 1965.