Walberg, H. J. (1997). Children and youth: Interdisciplinary perspectives. Issues in children's and families' lives.
Chicago-Zitierstil (17. Ausg.)Walberg, Herbert J. "Children and Youth: Interdisciplinary Perspectives." Issues in Children's and Families' Lives 1997.
MLA-Zitierstil (8. Ausg.)Walberg, Herbert J. "Children and Youth: Interdisciplinary Perspectives." Issues in Children's and Families' Lives, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.