Knapp, Mark L. Nonverbal communication in human interaction / Mark L. Knapp, Judith A. Hall, Terrence G. Horgan. - 8th. ed. - United Sates : Cengage Learning, 2014. - xvii, 510 p. : ill. ; 24 cm. Includes index and references : p. 421-492. ISBN: 9781133311591 RM 494.18 Subjects--Topical Terms: Nonverbal communication.