O'Brien, James A.,  1936- <br/><br/>
Introduction to information systems / 
James A. O'Brien, George M. Marakas 
 - 13th ed. 
 - Boston :  McGraw-Hill/Irwin,  2007 
 - xxxi, 543 p. :  col. ill. ;  28 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0073043559 (hbk.)  RM512.62 9780073043555 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business--Data processing<br/>Management--Data processing<br/>Management information systems<br/>Electronic commerce