HAAG, S. <br/><br/>
Information Systems Essentials 

 - 2nd Ed. 
 - New York,  Mc Graw Hill Companies,  2008. 
 - xiii.; 453p.; Ill.; picture,  Index,  27cm. 
<br/><br/><label>ISBN: </label>978-0-07-332308-4 
<br/><br/><label>Dewey Class. No.: </label>658.4'038'011 HAA.