APA (7e ed.) Bronvermelding

Piaget, J., & Inhelder, B. (1974). The child's construction of quantities: Conservation and atomism. Routledge and Kegan Paul.

Chicago (17e ed.) Bronvermelding

Piaget, Jean, en Barbel Inhelder. The Child's Construction of Quantities: Conservation and Atomism. London: Routledge and Kegan Paul, 1974.

MLA (9e ed.) Bronvermelding

Piaget, Jean, en Barbel Inhelder. The Child's Construction of Quantities: Conservation and Atomism. Routledge and Kegan Paul, 1974.