Knapp, M. L. (2007). Nonverbal communication in human interaction 7th edition. Wadsworth.
Chicago Style (17th ed.) CitationKnapp, Mark L. Nonverbal Communication in Human Interaction 7th Edition. Wadsworth, 2007.
MLA (8th ed.) CitationKnapp, Mark L. Nonverbal Communication in Human Interaction 7th Edition. Wadsworth, 2007.
Warning: These citations may not always be 100% accurate.