1. Allport, G. W. (1950). The individual and his religion. New York: Macmillan.
2. Allport, G. W. (1954). The nature of prejudice. Cambridge, MA. Addison-Wesley.
3. Altemeyer, B. (1981). Right-wing authoritarianism. Winnipeg: University of Manitoba Press.
4. Altemeyer, B. (1988). Enemies of freedom: Understanding right-wing authoritarianism. San Francisco: Jossey-Bass.