Ury, William <br/><br/>
The power of a positive no: how to say no and still get to yes/by William Ury 

 - New York  Bantam Dell  2007 
 - 257p. 
<br/><br/><label>ISBN: </label>9780553804980 
<br/><br/><label>Dewey Class. No.: </label>146.4  Ur9P