Gaya APA
Majors, R, E., Riegert, D. (1990).
Business communication : writing, interviewing, and speaking at work .
California:
Harper Collins Publishers.
Gaya MLA
Majors, Randall, E., Riegert, Debra.
"Business communication : writing, interviewing, and speaking at work".
California:
Harper Collins Publishers,
1990.
Text.