1. Andreychuk, T., and Skriver, C. (1975). Hypnosis and biofeedback in the treatment of migraine headache. International Journal of Clinical and Experimental Hypnosis, 23. 17 2183.
2. Barber, T. X. (1984). Hypnosis, deep relaxation, and active relaxation: Data, theory, and clinical applications. In R. L. WOOLFOLK and P. M. LEHRER (Eds.), Principles and practice of stress management. New York: Guilford.
3. Barber, T. X., Spanos, N. P., and Cheves, J. F. (1974). Hypnosis, imagination, and human potentialities. New York: Pergamon.
4. Beck, A. T. (1976). Cognitive therapy and the emotional disorders. New York: International Universities Press.
5. Beck, A. T. (1984). Cognitive approaches. In R. L. WOOLFOLK and P. M. LEHRER (Eds.), Principles and practice of stress management. New York: Guilford.