Warner M, Ed. <br/><br/>
International encyclopedia of business and management: Index 
Warner M, Ed. 
 - London  London, Routledge  1996 
 - 410p 
 -  v.6 .
<br/><br/><label>ISBN: </label>0-415-07399-5 
<br/><br/><label>Source: </label>Textbook