Williams, Brian <br/><br/>
Using information technology / 
Brian Williams and Stacey C. Sawyer 
 - 11th ed. 
 - New York :  McGraw-Hill/Irwin,  2014 
 - xxxii, 587 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780073516882 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems<br/>Information technology