Coopman, Stephanie J. Public speaking : the evolving art / Stephanie J Coopman, James Lull. - Enhanced ed. - Boston, Mass. : Wadsworth/Cengage Learning, c2011. - xx, 445, [30] p. : ill. (some col.) ; 22 cm. Includes bibliographical references and index. ISBN: 9780495798521 (pbk.) 0495798525 (pbk.) Subjects--Topical Terms: Public speaking.