FitzGerald, Jerry.  <br/><br/>
Fundamentals of business data communications  
Jerry FitzGerald, Alan Dennis.  
 - 10th ed. 
 - Hoboken, NJ   John Wiley, c 
 - 593 p. :   ill. (some col.)   24 cm. 
<br/><br/><label>ISBN: </label>9780470400272 0470400277 
<br/><br/><label>LC Class. No.: </label>TK5105 F58 2010  / TK5105 F58 2010