Gralla Preston <br/><br/>
How the Internet works / 
Preston Gralla. 
 - 7th ed. 
 - Indianapolis, Ind. :  Que,  2004. 
 - xiii, 354 p. :  col. ill. ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0789729733 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet
<br/><br/><label>LC Class. No.: </label>TK5105.875