Cita APA (7th ed.)
Copeland, R. W. (1979). How children learn matematics: Teaching implications of Piaget research.
Cita Chicago (17th ed.)
Copeland, Richard W. How Children Learn Matematics: Teaching Implications of Piaget Research. 1979.
Cita MLA (9th ed.)
Copeland, Richard W. How Children Learn Matematics: Teaching Implications of Piaget Research. 1979.
Atenció: Aquestes cites poden no estar 100% correctes.