Adler, R. B. 1., & Elmhorst, J. M. (2005). Communicating at work: Principles and practices for business and the professions (8th ed.). New York: McGraw-Hill.

Adler, Ronald B. 1946-, و Jeanne Marquardt Elmhorst. Communicating At Work: Principles and Practices for Business and the Professions. 8th ed. New York: McGraw-Hill, 2005.

Adler, Ronald B. 1946-, و Jeanne Marquardt Elmhorst. Communicating At Work: Principles and Practices for Business and the Professions. 8th ed. New York: McGraw-Hill, 2005.