Gaya APA

Locker, K, O., Kacmarek, S, K. (2016). Business Communication: Building critical skills . New York: Mc Graw Hill Education.

Gaya MLA

Locker, Kitty, O., Kacmarek, Sthepen, Kyo. "Business Communication: Building critical skills". New York: Mc Graw Hill Education, 2016. Text.