Gaya APA

Locker, K, O., Kaczmarek, S, K. (2007). Business Communication : Building Critical Skill / Kitty O Locker, Stephen Kyo Kaczmarek (Ed.3). New York: Mc Graw Hill.

Gaya MLA

Locker, Kitty, O., Kaczmarek, Stepehen, Kyo.. "Business Communication : Building Critical Skill / Kitty O Locker, Stephen Kyo Kaczmarek". Ed.3 New York: Mc Graw Hill, 2007. Buku.