Hellriegel D, Etc. <br/><br/>
Organizational behavior 
Hellriegel D, Etc. 
 - Ed 7th 
 - St. Paul  St. Paul, West publication Co.  1995 
 - 814p 
<br/><br/><label>ISBN: </label>0-314-04472-8 
<br/><br/><label>Source: </label>Textbook