Cita APA (7a ed.)
Copeland, R. W. (1979). How children learn matematics: Teaching implications of Piaget research.
Cita estilo Chicago (17a ed.)
Copeland, Richard W. How Children Learn Matematics: Teaching Implications of Piaget Research. 1979.
Cita MLA (9a ed.)
Copeland, Richard W. How Children Learn Matematics: Teaching Implications of Piaget Research. 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.