1. American Psychiatric Association. (1980). Diagnostic and statistical manual of mental disorders (3rd ed.). Washington, DC: Author.
2. American Psychiatric Association. (1987). Diagnostic and statistical manual of mental disorders (3rd ed., rev.). Washington, DC: Author.
3. Arnold, M. (1984). Memory and the brain. Hillsdale, NJ: Lawrence Erlbaum.
4. Bandura, A. (1977). Self-efficacy. Psychological Review, 84, 191–215.
5. Bandura, A. (1982). Self-efficacy mechanisms in human agency. American Psychologist, 37, 122–147.