Gaya APA

Adler, R, B., Elmhorst, M. (2002). Communicating at work : principles and practices for business and the professions (5th ed). New York: The McGraw-Hill.

Gaya MLA

Adler, Ronald, B.., Elmhorst, Marquardt. "Communicating at work : principles and practices for business and the professions". 5th ed New York: The McGraw-Hill, 2002. Text.