1. Diagnostic and statistical manual of mental disorders;American Psychiatric Association.,1987
2. Cognitive therapy: Nature and relation to behavior therapy;Beck;Behavior Therapy,1970
3. Beyond belief: A theory of modes, personality, and psychopathology;Beck,1996
4. Cognitive therapy of depression;Beck,1979
5. The measurement of pessimism: The Hopelessness Scale;Beck;Journal of Consulting and Clinical Psychology,1974