Forouzan,  Behrouz A. <br/><br/>
Data Communications & Networking 

 -  McGraw-Hill  c2003 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0071232419 
<br/><br/><label>Dewey Class. No.: </label>004.6 F77 2003