1. (1991). Practical statistics for medical research. London: Chapman and Hall.
2. American Psychiatric Association. (1987). Diagnostic and statistical manual of mental disorders (3rd rev. ed.). Washington, DC: Author.
3. Depression and Hostility in Self-Mutilation
4. Impact of child sexual abuse: A review of the research.
5. , & (1967). Manual of the hostility and direction of hostility questionnaire. London: London University press.