Williams, Brian K.,  1938- <br/><br/>
Using information technology :  a practical introduction to computers & communications : Complete version / 
Brian K. Williams, Stacey C. Sawyer. 
 - 9th ed. 
 - New York, NY :  McGraw-Hill,  2011. 
 - xxviii, 577 p. :  ill. col. ;  29 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780073516776  RM315.63 0073516775 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.<br/>Telecommunication systems.<br/>Information technology.