Approaches to positive youth development [electronic resource] /
edited by Rainer K. Silbereisen & Richard M. Lerner.
- Los Angeles : Sage Publications, 2007.
- xii, 352 p. : ill.
Includes bibliographical references and indexes.
Electronic reproduction. Palo Alto, Calif. : ebrary, 2013. Available via World Wide Web. Access may be limited to ebrary affiliated libraries.