Gaya APA

O'Hair, D., Friedrich, G, W. (2009). Strategic Communication: In Business and the professions Ed.6 (Ed. 6 ct.1). Jakarta: Kencana Prenada Media Group.

Gaya MLA

O'Hair, Dan., Friedrich, Gustav, W.. "Strategic Communication: In Business and the professions Ed.6". Ed. 6 ct.1 Jakarta: Kencana Prenada Media Group, 2009. Text.