Gaya APA
Bovee, C, L., Thill, J, V.
(1989).
Business communication today
(
2nd.ed)
.
New York:
McGraw-Hill, Inc..
Gaya MLA
Bovee, Courtland, L., Thill, John, V..
"Business communication today".
2nd.ed
New York:
McGraw-Hill, Inc.,
1989.
Text.