Gaya APA
Bovee, C., Thill, J. (2010).
Business communication essentials : a skill-based approach to vital business english (4th.ed.).
Upper Saddle River, New Jersey:
Pearson Education.
Gaya MLA
Bovee, Courtland., Thill, John.
"Business communication essentials : a skill-based approach to vital business english".
4th.ed.
Upper Saddle River, New Jersey:
Pearson Education,
2010.
Teks.