Roberts, K. A. (1995). Religion in sociological perspective (3rd ed.). Wadsworth.
Cita Chicago (17th ed.)Roberts, Keith A. Religion in Sociological Perspective. 3rd ed. Belmont, Calif: Wadsworth, 1995.
Cita MLA (9th ed.)Roberts, Keith A. Religion in Sociological Perspective. 3rd ed. Wadsworth, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.