1. Allport, G. W. (1959). Religion and prejudice.The Crane Review, 1-10.
2. Some Roots of Prejudice
3. Trait Anxiety and Intrinsic-Extrinsic Religiousness
4. Bellah, B. S., Madsen, R., Sullivan, W. M., Swidler, A. & Tipton, S. M. (1985). Habits of the heart.New York: Harper & Row.