O'Brien, James A. <br/>
Introduction to Information Systems / 
James A. O'Brien 
 - 12th ed 
 - New Delhi :  Tata McGraw Hill,  c2005. 
 - xxx, 452 p.:  ill.;  27 5cm. 
<br/><br/><label>ISBN: </label>9780070589711 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Science
<br/><br/><label>Dewey Class. No.: </label>658.4038/ O111i/ 2005