Tubbs, S. L. (2000). Human communication (8th ed.). McGraw-Hill.
Cita Chicago (17th ed.)Tubbs, Stewart L. Human Communication. 8th ed. Boston: McGraw-Hill, 2000.
Cita MLA (9th ed.)Tubbs, Stewart L. Human Communication. 8th ed. McGraw-Hill, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.