O'Brien, James A <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>9780073043555 
<br/><br/><label>ISSN: </label>2005052219 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business - Data processing<br/>Electronic commerce<br/>Management - Data processing<br/>Management information systems
<br/><br/><label>Dewey Class. No.: </label>658.4038 OBR