Gaya APA

Locker, K, O., Kaczmarek, S, K. (2011). Business communication : building critical skills / fifth edition (5). New York: McGraw-Hill.

Gaya MLA

Locker, Kitty, O.., Kaczmarek, Stephen, Kyo. "Business communication : building critical skills / fifth edition". 5 New York: McGraw-Hill, 2011. Text.