1. Diagnostic and statistical manual of mental disorders (4th ed.),1994
2. Self-efficacy: the exercise of control;Bandura,1997
3. Anxiety disorders and phobias: A cognitive perspective;Beck,1985
4. An inventory for measuring clinical anxiety;Beck;Journal of Consulting and Clinical Psychology,1988
5. Belzer, K. D., & D'Zurilla, T. J. (1999). [Psychometric properties of the Catastrophic Worry Questionnaire]. Unpublished data, Department of Psychology, State University of New York at Stony Brook.