Adler, R. B., & Rodman, G. (1994). Understanding human communication (5th ed.). Harcourt brace.

Adler, Ronald B., and George Rodman. Understanding Human Communication. 5th ed. Fort Worth, Texas: Harcourt brace, 1994.

Adler, Ronald B., and George Rodman. Understanding Human Communication. 5th ed. Harcourt brace, 1994.