Fitzgerald, Jerry <br/><br/>
Business data communications and networking / 

 - 7th ed. 
 - New York :  John Wiley & Sons ,  2003. 
 - p.xix+562 
<br/><br/><label>ISBN: </label>9971511894 
<br/><br/><label>Subjects--Index Terms: </label>Net Working ,datacommunication