Knapp, M. L., & Hall, J. A. (2002). Nonverbal communication in human interaction (5th ed.). Wadsworth.
Cita Chicago (17th ed.)Knapp, Mark L., i Judith A. Hall. Nonverbal Communication in Human Interaction. 5th ed. Australia: Wadsworth, 2002.
Cita MLA (9th ed.)Knapp, Mark L., i Judith A. Hall. Nonverbal Communication in Human Interaction. 5th ed. Wadsworth, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.