Haag, Stephen <br/><br/>
Information systems essentials / 
Stephen Haag, Maeve Cummings 
 - 3rd ed. 
 - Boston :  McGraw-Hill/Irwin,  2009 
 - xxix, 429 p. :  col. ill. ;  28 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780073376752 (alk. paper) 0073376752 (alk. paper) 9780071285490 (ISE) 0071285490 (ISE) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management information systems<br/>Information technology