Não informado. (1948). Young children. National Association for the Education of Young Children.
Lua i Stíl Chicago (17ú heag.)Não informado. Young Children. Washington: National Association for the Education of Young Children, 1948.
Lua MLA (8ú heag.)Não informado. Young Children. National Association for the Education of Young Children, 1948.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.