DeVito, Joseph A The essential elements of public speaking / Joseph A. DeVito. - 4th ed. - Boston, MA : Pearson/Allyn & Bacon, c2012. - xxviii, 308 p. : col. ill. ; 26 cm. Includes bibliographical references and index. ISBN: 9780205005949 (pbk. : Int. ed.) 0205005942 (pbk. : Int. ed.) Subjects--Topical Terms: Public speaking. Dewey Class. No.: 808.51 / DEV 2012