Gaya APA
Business and Administrative Communication. (2003).
New York:
[s.n.].
Gaya Chicago
Business and Administrative Communication.
.
New York:
[s.n.],
2003.
Text.
Gaya MLA
Business and Administrative Communication.
.
New York:
[s.n.],
2003.
Text.
Gaya Turabian
Business and Administrative Communication.
New York:
[s.n.],
2003.
Print.