Forouzan, Behrouz A & Feg, Sophia Chung <br/><br/>
Data communications and networking 

 - 4th ed 
 - Tata McGraw Hill, New Delhi  2006 
 - xxxiv,1134 
<br/><br/><label>ISBN: </label>978-0-07-063414-5 
<br/><br/><label>Dewey Class. No.: </label>001.64404 For/Feg