Roberts, Glyn C. <br/><br/>
Advances in motivation in sport and exercise / 
editores Glyn C. Roberts, Darren C. Treasure 
 - tercera edición 
 - Estados Unidos de América:   Human Kinetics,   2012. 
 - 465 páginas 
<br/><br/><label>ISBN: </label>10:0736090819 13:978073609081 
<br/><br/><label>Dewey Class. No.: </label>796.01  / A244