Using Information Technology :   A practical Introduction to Computers and Communications /  
Williams Brian K, ; Sawyer Stacey C. 
 - 8th edition 
 - New York :   McGraw-Hill Higher Education   2010 
 - xxiv , 563 p.  col. ill.  28 cm. 
<br/><br/><label>ISBN: </label>9780073516759 
<br/><br/><label>LC Class. No.: </label>QA.76.5  / .W54  2010