(1964). Young children. National Association for the Education of Young Children.
Lua i Stíl Chicago (17ú heag.)Young Children. Washington: National Association for the Education of Young Children, 1964.
Lua MLA (9ú heag.)Young Children. National Association for the Education of Young Children, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.