Gorman, R. M. (1972). Discovering Piaget: A guide for teachers. Merrill.
Chicago Style aipamenaGorman, Richard M. Discovering Piaget: A Guide for Teachers. Columbus, Ohio: Merrill, 1972.
MLA aipamenaGorman, Richard M. Discovering Piaget: A Guide for Teachers. Merrill, 1972.
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