Gaya APA

Kaczmarek, S, K., Locker, K, O. (2007). Business communication (Ed. 3). : McGraw-Hill.New York.

Gaya MLA

Kaczmarek, Stephen, Kyo., Locker, Kitty, O. "Business communication ". Ed. 3 : McGraw-Hill.New York, 2007. Koleksi World Bank.