Koch, Arthur, Speaking with a purpose / Arthur Koch. - 8th ed. - Boston : Allyn & Bacon, c2010. - xvi, 176 p. : ill. ; Includes bibliographical references and index. ISBN: 0205624928 (pbk.) 9780205624928 (pbk.) Subjects--Topical Terms: Public speaking. Dewey Class. No.: 808.5 / KOC