A first look at communication theory / Em Griffin, Andrew Ledbetter, Glenn Sparks Griffin, Em Ledbetter, Andrew jt. aut. Sparks, Glenn jt. aut. Communication Philosophy 302.201 GRF Includes bibliographical references and index. New York : McGraw-Hill, 2015. 2015. 2015 Text xvi, 482 p. in various pagings : eng