Gaya APA

Locker, K, O., Kaczmarek, S, K. (2014). Bussiness Communication : Building Critical Skills (6). New York: McGraw-Hill.

Gaya MLA

Locker, Kitty, O., Kaczmarek, Stephen, Kyo. "Bussiness Communication : Building Critical Skills". 6 New York: McGraw-Hill, 2014. Book.