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

 - 4th ed. 
 - New Delhi  Tata McGraw Hill  2007 
 - xxviii,1134 p. 
<br/><br/> Include idex& Appendix 
<br/><br/><label>ISBN: </label>9780070634145 
<br/><br/><label>Dewey Class. No.: </label>TBB D65,4 P7;6