1. Alabama Department of Mental Health and Mental Retardation. (1997). Behavioral programming manual. Montgomery, AL: Author.
2. Alberto, P. A., & Troutman, A. C. (1995). Applied behavior analysis for teachers (4th ed.). Englewood Cliffs, NJ: Prentice Hall.
3. Anderson, C. M., & Freeman, K. A. (2000). Positive behavior support: Expanding the application of applied behavior analysis. The Behavior Analyst, 23, 85–94.
4. Axelrod, S., & Apsche, J. (1983). The effects of punishment on human behavior. New York: Academic Press.
5. Azrin, N. H., & Holz, W. C. (1966). Punishment. In W. K. Honig (Ed.), Operant behavior: Areas of research and application (pp. 380–447). New York: Appleton-Century-Crofts.