.Krizan, A. C., Krizan, A. C., merrier, p., & jones, c. l. (2011). Business communication (8th Ed.). South-Western Cengage Learning.

.Krizan, A. C., A. C. Krizan, patricia merrier, and carol larson jones. Business Communication. 8th Ed. Australia ; Mason, OH: South-Western Cengage Learning, 2011.

.Krizan, A. C., et al. Business Communication. 8th Ed. South-Western Cengage Learning, 2011.