Management 
Hellriegel, Don. 
 - Sixth edition. 
 -  Addison-Wesley Pub. Co.,  1967 
 - xxxi, 773 p. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-201-52600-X 
<br/><br/><label>Dewey Class. No.: </label>658.4 H447 1992