1. American Psychiatric Association. (1952). Diagnostic and statistical manual of mental disorders: DSM-I. American Psychiatric Association.
2. American Psychiatric Association. (1968). Diagnostic and statistical manual of mental disorders: DSM-II. American Psychiatric Association.
3. American Psychiatric Association. (1980). Diagnostic and statistical manual of mental disorders: DSM-III. American Psychiatric Association.
4. American Psychiatric Association. (1987). Diagnostic and statistical manual of mental disorders: DSM-III-R. American Psychiatric Association.
5. American Psychiatric Association. (1994). Diagnostic and statistical manual of mental disorders: DSM-IV. American Psychiatric Association.