Não informado. (1948). Young children. National Association for the Education of Young Children.
Style de citation Chicago (17e éd.)Não informado. Young Children. Washington: National Association for the Education of Young Children, 1948.
Style de citation MLA (8e éd.)Não informado. Young Children. National Association for the Education of Young Children, 1948.
Attention : ces citations peuvent ne pas être correctes à 100%.