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

 - 4th Ed 
 -  Tata McGraw-Hill  2009 
 - 1134 
<br/><br/><label>ISBN: </label>0-07-063414-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information Science