Verderber, Rudolph F.  <br/><br/>
The challenge of effective speaking / 
Rudolph F. Verderber, Deanna D. Sellnow, Kathleen S. Verderber 
 - 15th ed. 
 - Australia :  Wadsworth,  2012 
 - xx, 380 p. :  ill. (some col.) ;  28 cm. 
<br/><br/> E-B7/06471 (original, 2.929.500đ)   
<br/><br/><label>ISBN: </label>1111346887 9781111346881 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public speaking
<br/><br/><label>Subjects--Index Terms: </label>Diễn thuyết Thuyết trình 
<br/><br/><label>Dewey Class. No.: </label>808.51