Knapp, B. <br/><br/>
Skill In Sport : The Attainment Of Proficiency. 

 -  Routledge & Kegan Paul  1977 
 - XII, 204 P. 21 CM. 
<br/><br/><label>ISBN: </label>710085621 
<br/><br/><label>Dewey Class. No.: </label>796.07 KNA 1977 C.3