Não informado. (1948). Young children. National Association for the Education of Young Children.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Young Children. Washington: National Association for the Education of Young Children, 1948.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Young Children. National Association for the Education of Young Children, 1948.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.