Bovee, C. L., Thill, C. L., & Raina, R. L. (2018). Business Communication Today.: 14th ed (14th ed.). Pearson.
Lua i Stíl Chicago (17ú heag.)Bovee, Courtland L., Courland L. Thill, agus Roshan Lal Raina. Business Communication Today.: 14th Ed. 14th ed. Naida: Pearson, 2018.
Lua MLA (9ú heag.)Bovee, Courtland L., et al. Business Communication Today.: 14th Ed. 14th ed. Pearson, 2018.
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