Knapp, Mark L. Nonverbal communication in human interaction/ Mark L. Knapp, Judith A. Hall. - 5th ed. - Australia U.S.: Wadsworth/Thomson Learning, c2002. - xiii, 482 p.: ill.; 24 cm. Includes bibliographical references and indexes. ISBN: 0155063723 LCCN: 2001090201 Subjects--Topical Terms: Body language.