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2. Coakley, Jay. 2004. Sport in Society: Issues and Controversies. 8th ed. Boston, MA: McGraw-Hill.
3. Deardorff II, Donald and John White, eds. 2008. The Image of God in the Human Body: Essays on Christianity and Sports. Lewiston, NY: The Edwin Mellen Press.
4. Feezell, Randolph. 2004. Sport, Play, and Ethical Reflection. Chicago: University of Illinois Press.
5. Guttmann, Allen. 1978. From Ritual to Record: The Nature of Modern Sports. New York: Columbia University Press.