White, Curt M. <br/><br/>
Data communications and computer networks :  a business user's approach / 
Curt M. White. 
 - 6th ed. 
 - Boston, MA :  Course Technology,  2011. 
 - xxiv, 497 p. :  ill. ;  29 cm. 
<br/><br/>
<br/><br/><label>ISBN: </label>9780538452618  RM441.94 0538452617 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks<br/>OSI (Computer network standard)<br/>Data transmission systems