Adler, R. B. (1991). Understanding human communication (4th.). Harcourt Brace.
Cita Chicago (17th ed.)Adler, Ronald B. Understanding Human Communication. 4th. Fort Worth: Harcourt Brace, 1991.
Cita MLA (9th ed.)Adler, Ronald B. Understanding Human Communication. 4th. Harcourt Brace, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.