Thill, J. V., & Bovee, C. L. (2013). Excellence in business communication (10th ed.). Pearson.
Lua i Stíl Chicago (17ú heag.)Thill, John V., agus Courtland L. Bovee. Excellence in Business Communication. 10th ed. Boston: Pearson, 2013.
Lua MLA (9ú heag.)Thill, John V., agus Courtland L. Bovee. Excellence in Business Communication. 10th ed. Pearson, 2013.
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