Rosskopf, M. F., & Taback, S. (1971). Piagetian cognitve development research and mathematical education. National Council of Teachers of Mathematics.
Chicago Style (17. basım) AtıfRosskopf, Myron F., ve Stanley Taback. Piagetian Cognitve Development Research and Mathematical Education. Washington: National Council of Teachers of Mathematics, 1971.
MLA (9th ed.) AtıfRosskopf, Myron F., ve Stanley Taback. Piagetian Cognitve Development Research and Mathematical Education. National Council of Teachers of Mathematics, 1971.
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