Bovee, C. T. (2011). Business Communication Essentials (4th ed.). Pearson.
Chicago-viite (17. p.)Bovee, Courtland; Thill. Business Communication Essentials. 4th ed. New Delhi: Pearson, 2011.
MLA-viite (9. p.)Bovee, Courtland; Thill. Business Communication Essentials. 4th ed. Pearson, 2011.
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