O'Brien, James A. <br/><br/>
Introduction to information systems / 
James A. O'Brien, George M. Marakas 
 - 13th ed. 
 - New York:  McGraw-Hill,  2007. 
 - 543 p. :  ill. ;  28 cm. 
<br/><br/><label>ISBN: </label>0073043559 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business--Data processing<br/>Management--Data processing<br/>Management information systems<br/>Electronic commerce