The challenge of effective speaking - Verderber, Rudolph F. 4 0 16; 1949- , Verderber, Kathleen S.,;Sellnow, Deanna D.; 5 (Australia: Thomson/Wadsworth, 2008)
Includes bibliographical references (p. 339-344) and index.
Keywords: 2 -- 0; 6; Public speaking. -- 20; 20; 2