Gaya APA
Communicating Effectively. (2007).
New York:
[s.n.].
Gaya Chicago
Communicating Effectively.
.
New York:
[s.n.],
2007.
Text.
Gaya MLA
Communicating Effectively.
.
New York:
[s.n.],
2007.
Text.
Gaya Turabian
Communicating Effectively.
New York:
[s.n.],
2007.
Print.