Citazione APA

Murphy, H. A., Hilebrant, H. W., & Thomas, J. P. (1997). Effective business communications/7e (7th ed.). McGraw Hill.

Stile di citazione Chicago

Murphy, Herta A., Herbert W. Hilebrant, e Jane P. Thomas. Effective Business Communications/7e. 7th ed. New York: McGraw Hill, 1997.

Citazione MLA

Murphy, Herta A., et al. Effective Business Communications/7e. 7th ed. McGraw Hill, 1997.