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