1. Allport, G. W. (1950). The individual and his religion: A physiological interpretation. New York: Macmillan.
2. American Psychiatric Association. (1994). Diagno.stic and statisticul munual of'mentul disorders (4th ed.). Washington, DC: Author.
3. Berger. P. (1967). The sacred canopy: Elements of a .sociological theory of" religion. New York: Doubleday.
4. Berger, P. (1974). Some second thoughts on substantive versus functional definitions of religion. Journal for the Scientific Study c?f'Religion,13, 125-134.
5. Bibby, R . W. (1987). Fragmented gods: The poverty and potentiul of religion in Canada. Toronto: Irwin.