Fisher, Roger <br/><br/>
Getting to yes :  negotiating agreement without giving in / 
Roger Fisher, William Ury ; with Bruce Patton, editor. 
 - London :  Arrow Books,    1987. 
 - viii, 161 pages ;  18 cm. 
<br/><br/><label>ISBN: </label>9780099517306 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Negotiation.