1. Cognitive therapy of delusional beliefs
2. American Psychiatric Association 1987. Diagnostic and Statistical Manual of Mental Disorders (3rd edn revised). (DSM III-R). APA: Washington DC.
3. American Psychiatric Association 1994. Diagnostic Manual of Mental Disorders (4th edn). Washington, DC, USA.
4. 1974. Interpretation of Schizophrenia (2nd edn). Basic Books: New York.
5. A COMPREHENSIVE PSYCHOPATHOLOGICAL RATING SCALE