Williams, Brian K. <br/><br/>
Using information technology:  A practical introduction to computers and communications/ 
by Brian K. Williams  
 - Revised edition  
 - U.S.A.:  McGraw-Hill Companies, Inc.,  c2005. 
 - xxiii, 472p.:  ill.;  27.5cm. 
<br/><br/> Includes appendix and index. 
<br/><br/><label>ISBN: </label>0-07-288293-X 
<br/><br/><label>Dewey Class. No.: </label>B.C. 004  / W67u