Haag, Stephen. <br/><br/>
Information systems essentials / 
Stephen Haag, Maeve Cummings. 
 - 3rd ed. 
 - Boston :  McGraw-Hill/Irwin,  2009. 
 - xxix, 429 p. :  ill. (chiefly col.) ;  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780071285490 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management information systems.<br/>Information technology.
<br/><br/><label>LC Class. No.: </label>T58.6  / .H17 2009