Roger W Earle & Thomas R Baechle <br/><br/>
NSCA` s Essentials of personal training national strength and conditioning association 

 - 2nd 
 - China  Human Kinetics  2004 
<br/><br/><label>ISBN: </label>13:9780736000154 
<br/><br/><label>Dewey Class. No.: </label>613.77