1. American Psychiatric Association (1968) Diagnostic and statistical manual of mental disorders (DSM-II), 2nd edn. American Psychiatric Association, Washington DC
2. American Psychiatric Association (1980) Diagnostic and statistical manual of mental disorders (DSM-III), 3rd edn. American Psychiatric Association, Washington DC
3. American Psychiatric Association (1987) Diagnostic and statistical manual of mental disorders (DSM-III-R), 3rd edn rev. American Psychiatric Association, Washington DC
4. American Psychiatric Association (1994) Diagnostic and statistical manual of mental disorders (DSM-IV), 4th edn. American Psychiatric Association, Washington DC
5. American Psychiatric Association (2000) Diagnostic and statistical manual of mental disorders (DSM-II), 4th edn Text revision. American Psychiatric Association, Washington DC