Gaya APA

Bovee, C, L., V., T, J. (2001). Excellence In Business Communication (6th ed.). : pearson prentice hall, 2001.USA.

Gaya MLA

Bovee, Courtland, L.., V., Thill., John. "Excellence In Business Communication". 6th ed. : pearson prentice hall, 2001.USA, 2001. Koleksi World Bank.