Verderber, Rudolph F. The Challenge of effective speaking with selected chapters from : Essentials of perspective, theories and contexts / Rudolph Verderber, Kathleen S. Verderber. - Belmont, CA : Wadsworth/Thompson, 2002. - xxi, 205 p. ISBN: 0534971059 : KES 500 Subjects--Topical Terms: Public speaking. LC Class. No.: PN4121 / .V47