O'Brien, James A. <br/><br/>
Introduction to information systems / 
James A. O'Brien and George M. Marakas. 
 - 14th ed. 
 - Boston :  McGraw- Hill,  2008. 
 - xxxii, 557 p. 
<br/><br/><label>ISBN: </label>0071283267 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic commerce.<br/>Management information systems.