Não informado. (2002). Childhood Education. Association for Childhood Education International.
Chicago-referens (17:e uppl.)Não informado. Childhood Education. Wheaton, Md: Association for Childhood Education International, 2002.
MLA-referens (8:e uppl.)Não informado. Childhood Education. Association for Childhood Education International, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.