BRIAN K. WILLIAMS, STACEY C. SAWYER, SARAH E. HUTCHINSON <br/><br/>
USING INFORMATION TECHNOLOGY; THIRD EDITION 

 -  MCGRAW HILL  1999 
 -  平 
<br/><br/><label>ISBN: </label>0-07-115867-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>电脑; 资料处理
<br/><br/><label>Dewey Class. No.: </label>312.91 WILL