CTB/McGraw-Hill, Pacific State Hospital, University of Minnesota, Morris, CTB/McGraw-Hill Conference on Ordinal Scales of Cognitive Development, Flamer, G. B., Green, D. R., . . . Piaget, J. (1971). Measurement and Piaget: Proceedings. McGraw-Hill.
Cita Chicago Style (17a ed.)CTB/McGraw-Hill, et al. Measurement and Piaget: Proceedings. New York: McGraw-Hill, 1971.
Cita MLA (9a ed.)CTB/McGraw-Hill, et al. Measurement and Piaget: Proceedings. McGraw-Hill, 1971.
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