Dyfyniad APA
Murphy, H. A., Hildebrandt, H. W., & Thomas, J. P. (1997). Effective business communications (7th ed.). McGraw-Hill Companies.
Dyfyniad Arddull Chicago
Murphy, Herta A., Herbert William Hildebrandt, and Jane P. Thomas. Effective Business Communications. 7th ed. New York: McGraw-Hill Companies, 1997.
Dyfyniad MLA
Murphy, Herta A., et al. Effective Business Communications. 7th ed. McGraw-Hill Companies, 1997.
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