Stallings, William. <br/><br/>
Data and computer communications 

 - 10th ed. 
 - Boston  Boston  2014. 
 - 907p.: ill. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780071138147 
<br/><br/><label>LC Class. No.: </label>TK 5105  / sta2014