Kostelnick, C., & Roberts, D. (1998). Designing visual language: Strategies for professional communicators. Needham Heights, MA: Allyn & Bacon.

McLean, S. (2005). The basics of interpersonal communication. Boston, MA: Allyn & Bacon.

Strunk, W., Jr., & White, E. B. (1979). The elements of style (3rd ed.). New York, NY: Macmillian.

Wyrick, J. (2008). Steps to writing well (10th ed.). Boston, MA: Thomson Wadsworth.