Verderber, Rudolph F. <br/><br/>
Effective speaking :   challenges and solutions / 
Rudolph F. Verderber. 
 - Singapore :  Cengage Learning,  2009. 
 - 254 p.:   ill.  23 cm. 
<br/><br/> Includes index 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>9789814281867 
<br/><br/><label>LC Class. No.: </label>808.51 V58e 2009