FitzGerald, Jerry / Dennis Alan <br/><br/>
Business Data Communications and Networking 
by Jerry FitzGerald / Alan Dennis 
 - Sixth Ed. 
 - New York  John Wiley & Sons, Inc.  1999 
 - xx , 491 p. :  ill. ;  23 cm. 
<br/><br/>Includes Appendix , Glossary and Index 
<br/><br/><br/>English Text 
<br/><br/><label>ISBN: </label>9971-51-2920