The psychology of preschool children /
Zaporozhets, Aleksandr Vladimirovich.
Shybut, John.
Simon, Seymore.
Elkonin, Daniil Borisovich.
Cambridge [Mass.] London M.I.T. Press
1971
Translation of 'Psikhologiia detei doshkol'nogo vozrasta'. Moscow: Izdatel'stvo "Prosveshcheniie", 1964
Bibliographyp.361-366. - Includes index
Child study.
Cognition (Child psychology)