Anfinson, David. <br/><br/>
IT essentials :  PC hardware and software companion guide / 
David Anfinson, Ken Quamme. 
 - 3rd ed. 
 - Indianapolis, IN :  Cisco Press,  c2008. 
 - xxxvi, 616p :  ill ;  23cm. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>1587131994 
<br/><br/><label>LCCN: </label>2007048435 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.<br/>Microcomputers--Equipment and supplies.