Data communications and networking / 
Behrouz A. Forouzan. 
 - 5th ed. 
 - New York, NY :   McGraw-Hill,   c2013. 
 - xxxviii, 1226 p. :   ill. ;   24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9789814577519 (pbk.) 
<br/><br/><label>LCCN: </label>2011-047732 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Data transmission systems.<br/> Computer networks.
<br/><br/><label>Dewey Class. No.: </label>004.6