1. Diagnostic and statistical manual of mental disorders;American Psychiatric Association,2013
2. Phenomenological differences of delusions between schizophrenic patients of two cultures of Malaysia;Azhar;Singapore Medical Journal,1995
3. Self-efficacy;Bandura,1997
4. The structure of paranoia in the general population;Bebbington;British Journal of Psychiatry,2013
5. The denial of death;Becker,1973