Cita APA (7a ed.)
Murphy, H. A., Hildebrandt, H. W., & Thomas, J. P. (1997). Effective business communications (7th ed.). McGraw-Hill Companies.
Cita Chicago Style (17a ed.)
Murphy, Herta A., Herbert William Hildebrandt, y Jane P. Thomas. Effective Business Communications. 7th ed. New York: McGraw-Hill Companies, 1997.
Cita MLA (9a ed.)
Murphy, Herta A., et al. Effective Business Communications. 7th ed. McGraw-Hill Companies, 1997.
Precaución: Estas citas no son 100% exactas.