Williams, Brian <br/><br/>
Using information technology:  a practical introduction to computers and communications 

 - 9th ed. 
 - new york:  mc graw hill,  2010. 
 - xxviii, 577p 
<br/><br/> includes bibliography, index. 
<br/><br/><label>ISBN: </label>9780071221399 
<br/><br/><label>Subjects--Topical Terms: </label><br/>information technology