Bresnahan, Christine. <br/><br/>
Comptia linux+ study guide :  exam xk0-004 / 
Christine Bresnahan, Richard Blum. 
 - 4th edition. 
 - 863P.;  15CM 
<br/><br/><label>ISBN: </label>9781119556039 (pbk. : alk. paper) 1119556031 (pbk. : alk. paper) 
<br/><br/><label>LCCN: </label>2019940123 
<br/><br/><label>LC Class. No.: </label>QA 76  / .B78 2019