1. Diagnostic and statistical manual of mental disorders;American Psychiatric Association,1987
2. Anxiety disorders and phobias. A cognitive perspective;Beck,1985
3. An inventory for measuring anxiety;Beck;Journal of Consulting and Clinical Psychology,1988
4. Ideational components of anxiety neurosis;Beck;Archives of General Psychiatry,1974
5. An inventory for measuring depression;Beck;Archives of General Psychiatry,1961