1. Alexander, F. (1950). Psychosomatic medicine, its principles and application. New York: Norton.
2. American Psychiatric Association (1994). Diagnostic and statistical manual of mental disorders. Washington, DC: A.P.A.
3. Barksy, A. J. & Klerman, G. L. (1983). Overview: hypochondriasis, bodily complaints and somatic styles. American Journal of Psychiatry, 140, 273–281.
4. Bass, C. M. & Murphy, M. R. (1990). Somatization disorder: critique of the concept and suggestions for future research. In C. Bass (Ed.), Somatization: Physical Symptoms and Psychological Illness (pp. 301–333). Oxford: Blackwell Scientific Publications.
5. Beck, A. T. (1976). Cognitive therapy and the emotional disorders. International Universities Press, New York.