BOVEE, C. L. (2004). Business communication essentials [ada CD]Courtland L. Bovee, John V. Thill, Barbara E. Schatzman. Pearson Education.
Lua i Stíl Chicago (17ú heag.)BOVEE, Courtland L. Business Communication Essentials [ada CD]Courtland L. Bovee, John V. Thill, Barbara E. Schatzman. Pearson Education, 2004.
Lua MLA (8ú heag.)BOVEE, Courtland L. Business Communication Essentials [ada CD]Courtland L. Bovee, John V. Thill, Barbara E. Schatzman. Pearson Education, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.