Calhoun, C. J., Light, D., & Keller, S. I. (1994). Sociology (6th ed.). McGraw-Hill.

Calhoun, Craig J., Donald Light, and Suzanne Infeld Keller. Sociology. 6th ed. New York: McGraw-Hill, 1994.

Calhoun, Craig J., et al. Sociology. 6th ed. McGraw-Hill, 1994.