Earle, Roger W., <br/><br/>
NSCA`s essentials of personal training :  
by Roger W. Earle and Thomas R. Baechle .  
 - U.S.A.  Human Kinetics  2004 
 - xii, 676p. 
<br/><br/><label>Dewey Class. No.: </label>V:71  / P4