Hall, Judith A. (Ed.) and Mark L. Knapp (Ed.). Nonverbal Communication. Berlin, Boston: De Gruyter Mouton, 2013. Web. Retrieved 20 May. 2013, from http://www.degruyter.com/view/product/119484

Hall, J. (Ed.) & Knapp, M. (Ed.) (2013). Nonverbal Communication. Berlin, Boston: De Gruyter Mouton. Retrieved 20 May. 2013, from http://www.degruyter.com/view/product/119484

Hall, Judith A. (Ed.) and Mark L. Knapp (Ed.). 2013. Nonverbal Communication. Berlin, Boston: De Gruyter Mouton. Retrieved 20 May. 2013, from http://www.degruyter.com/view/product/119484