Fisher, Roger <br/><br/>
Getting to yes :  negotiating an agreement without giving in 
Roger Fisher and William Ury. With Bruce Patton (ed.) 
 - Updated and rev., 3. ed. 
 - London  Random House Business Books  2012 
 - XXVII, 204 S. 
<br/><br/><label>ISBN: </label>9781847940933  12,49 EUR