Knapp, M. L., Hall, J. A., & Horgan, T. G. (2014). Nonverbal communication in human interaction (Eight edition, International edition.). Wadsworth, Cengage Learning.
Chicago Style (17. basım) AtıfKnapp, Mark L., Judith A. Hall, ve Terrence G. Horgan. Nonverbal Communication in Human Interaction. Eight edition, International edition. Australia: Wadsworth, Cengage Learning, 2014.
MLA (9th ed.) AtıfKnapp, Mark L., et al. Nonverbal Communication in Human Interaction. Eight edition, International edition. Wadsworth, Cengage Learning, 2014.
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