Gaya APA
O.Locker, K., Kaczmarek, S, K. (2007).
Business communication: Building critical skills (3).
New York:
McGraw Hill.
Gaya MLA
O.Locker, Kitty., Kaczmarek, Stephen, Kyo.
"Business communication: Building critical skills".
3
New York:
McGraw Hill,
2007.
Text.