Gaya APA

O., L, K., Kyo, K, S. (2004). Business Communisation : Building Critical Skills (Ed. 2). Boston: McGraw-Hill.

Gaya MLA

O., Locker, Kitty., Kyo, Kaczmarek, Stephen. "Business Communisation : Building Critical Skills". Ed. 2 Boston: McGraw-Hill, 2004. Text.