1. Foxx, R. M. (1992, November). Comments made during Teleconference on Applied Behavior Analysis. Columbus, OH: The Ohio State University.
2. Skinner, B. F. (1953). Science and human behavior. New York: Macmillan.
3. Skinner, B. F. (1956). A case history in scientific method. American Psychologist, 11, 221–223.
4. Skinner, B. F. (1971). Beyond freedom and dignity. New York: Knopf.
5. Skinner, B. F. (1974). About behaviorism. New York: Knopf.