Gaya APA
Gamble, T, K., Gamble, M.
(2010).
Communication Works 10'th Ed.
(
10)
.
New York:
McGraw Hill Companies.
Gaya MLA
Gamble, Teri, Kwal., Gamble, Michael.
"Communication Works 10'th Ed.".
10
New York:
McGraw Hill Companies,
2010.
Text.