Forouzan, B A. <br/><br/>
Data communications and networking   

 - 4th edition.  
 - New Delhi :   Tmh,   2006. 
<br/><br/><label>ISBN: </label>0070634149 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Sciences
<br/><br/><label>Dewey Class. No.: </label>621.382  / FOR