Dennis, Alan. <br/><br/>
Business Data Communications and Networking  
Jerry,FitzGerald, Alan,Dennis. 
 - 6th ed. 
 - New York :  John Wiley & Sons, INC.  c2000. 
 - xx 491 p.:  [25] 
<br/><br/>This Book Also having Appendix A,B,C,D,E,F from 423-443. 
<br/><br/><label>ISBN: </label>9971512920 
<br/><br/><label>Dewey Class. No.: </label>004.6  / FIT/DEN/BUS