Shell Richard, G. <br/><br/>
Bargaining for advantage / 
G. Richard Shell 
 - New York :  Peguin Books,  1999       
 - xvi, 286 p. 
<br/><br/><label>ISBN: </label>0140281916 
<br/><br/><label>LC Class. No.: </label>HD 8846.5 S544b 1999