1. American Psychiatric Association. (1980).Diagnostic and statistical manual of mental disorders (3rd. ed. Washington, D.C.: Author.
2. Beck, A. T., & Beamesderfer, A. (1974). Assessment of depression: The depression inventory. In P. Pichot (Ed.),Psychological measurements in psychopharmocology (Vol. 7). Basel: S. Kargen.
3. Bourne, L. E., Dominowski, R. L., & Loftus, E. F. (1979).Cognitive processes. Englewood Cliffs, New Jersey: Prentice-Hall.
4. Bourne, L. E., Ekstrand, B. R., & Dominowski, R. L. (1971).The psychology of thinking. Englewood Cliffs, New Jersey: Prentice-Hall.
5. Buglass, D., Clarke, J., Henderson, A. S., Kreitman, N., & Presley, A. S. (1977). A study of agoraphobic housewives.Psychological Medicine, 7 73?86.