Psychological development from infancy :  image to intention / 

 - Hillsdale, N.J. :  New York :  L. Erlbaum Associates ;  distributed by Halsted Press Division of Wiley,  1979. 
 - xvi, 404 p. : 
<br/><br/><label>ISBN: </label>0470266031 
<br/><br/><label>Dewey Class. No.: </label>155.4  / PSY