CompTIA  A+ Practice questions exams cram(exams 220-602,220-603,220-604,essentials)/ 
Charles J. Brooks. 
 - 2nd ed. 
 - USA:  PEARSON,  2008. 
 - xviii,390p.:  24cm. 
<br/><br/><label>ISBN: </label>139780789735669 
<br/><br/><label>LC Class. No.: </label>QA76.3  / .B76 2008