Não informado. (2002). Childhood Education. Association for Childhood Education International.
Chicago-Zitierstil (17. Ausg.)Não informado. Childhood Education. Wheaton, Md: Association for Childhood Education International, 2002.
MLA-Zitierstil (8. Ausg.)Não informado. Childhood Education. Association for Childhood Education International, 2002.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.