Williams, Brian K. <br/><br/>
Using information technology :  practical introduction to computers & communications :  complete version / 
Brian K. Williams, Stacey C. Sawyer 
 - 7th ed. 
 - Boston, Mass. :  McGraw-Hill/Irwin,  2007 
 - xxiv, 554, 12 p. :  col. ill. ;  28 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780071107686 0071107681 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers<br/>Telecommunication systems<br/>Information technology