Piaget Jean. (1969). The child's conception of physical causality (ed.). Littlefield.
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Chicago Style (17th ed.) Citation
Piaget Jean. The Child's Conception of Physical Causality. ed. New Jersey: Littlefield, 1969.
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MLA (9th ed.) Citation
Piaget Jean. The Child's Conception of Physical Causality. ed. Littlefield, 1969.
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