Approaches to positive youth development/ 
edited by Rainer L. Silbereisen & Richard M. Lerner 
 - Los Angeles, Calif. :  SAGE,  2007 
 - xii, 352 p.;  25 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>1412922883  £ 60.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Youth development<br/>Adolescent psychology
<br/><br/><label>Dewey Class. No.: </label>305.235