(1964). Young children. National Association for the Education of Young Children.
Citazione stile Chigago Style (17a edizione)Young Children. Washington: National Association for the Education of Young Children, 1964.
Citatione MLA (9a ed.)Young Children. National Association for the Education of Young Children, 1964.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.