Fisher, Roger. <br/><br/>
Getting to yes :  negotiating agreement without giving in / 

 - USA :  Penguin Books,  c2011. 
 - xxix, 204 p. :  ill. ;  20 cm. 
<br/><br/><label>ISBN: </label>9780143118756 
<br/><br/><label>LC Class. No.: </label>D4076 
<br/><br/><label>Dewey Class. No.: </label>158.5  / FIS