Davis, Gordon B. <br/><br/>
Computer Data Processing. 

 - 2nd, Ed. 
 - Tokyo :  McGraw - Hill International Book Company,  1981. 
 - x,662 p. 
<br/><br/><label>ISBN: </label>0708551697 
<br/><br/><label>Dewey Class. No.: </label>005  / DAV