1. Henry JL, Wilson PH: Psychological Management of Chronic Tinnitus: A Cognitive-Behavioral Approach. Boston, Allyn & Bacon, 2001.
2. Pavlov IP: Conditioned Reflexes. London, Routledge and Kegan Paul, 1927.
3. Beck AT: Cognitive Therapy and the Emotional Disorders. Madison, International Universities Press, 1976.
4. Beck AT, Rush AJ, Shaw BF, Emery G: Cognitive Therapy of Depression. New York, Guilford, 1979.
5. Wolpe J: Psychotherapy by Reciprocal Inhibition. Stanford, Stanford, 1958.