Capeland, R. D. (1979). How children learn mathematics: Teaching implications of Piaget's research (3ª ed.). Macmillan.
Chicago-čujuhus (17. p.)Capeland, Richard D. How Children Learn Mathematics: Teaching Implications of Piaget's Research. 3ª ed. Macmillan, 1979.
MLA-čujuhus (9. p.)Capeland, Richard D. How Children Learn Mathematics: Teaching Implications of Piaget's Research. 3ª ed. Macmillan, 1979.
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