FISHER, Roger <br/><br/>
Getting to Yes :  Negotiating an Agreement Without Giving in / 
Roger Fisher and William Ury.  
 - New York ,  Penguin Books ,  c2011. 
 - xxvii , 204p . : 
<br/><br/><label>ISBN: </label>9781847940933 
<br/><br/><label>Dewey Class. No.: </label>158