(1971). Memory and intelligence: Piaget's developmental theory [videorecording]. Davidson Films.
Chicago-viite (17. p.)Memory and Intelligence: Piaget's Developmental Theory [videorecording]. San Luis Obispo, Calif: Davidson Films, 1971.
MLA-viite (9. p.)Memory and Intelligence: Piaget's Developmental Theory [videorecording]. Davidson Films, 1971.
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