Alter, Steven. <br/><br/>
Information systems/ 
Steven Alter. 
 - 4th ed. 
 - New Jersey:  Prentice Hall.  2002. 
 - xxviii, 587p.  ill.  27 cm 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0130432423 9780130432421 
<br/><br/><label>LC Class. No.: </label>T58.6  / Al7 2002