1. Bandura, A. (1969).Principles of behavior modification. New York: Holt, Rinehart, & Winston.
2. Bernstein, D., & Borkovek, T. (1973).Progressive relaxation training: A manual for the helping professions. Champaign, IL: Research Press.
3. Cautela, J. (1977). Covert conditioning: Assumptions and procedures.Journal of Mental Imagery, 1, 53?64.
4. Garver, R. (1984). Eight steps to self-hypnosis.American Journal of Clinical Hypnosis, 26, 232?235.
5. Jacobson, E. (1924). The technic of progressive relaxation.Journal of Nervous and Mental Disease, 60, 568?578.