Weihrich, Heinz <br/><br/>
Management :  a global and entrepreneurial perspectives / 
Heinz Weihrich, Harold Koontz 
 - 13th ed. 
 - Singapore :  McGraw-Hill,  2011. 
 - xxx, 600 s. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0071239464 9780070700727