APA (7e ed.) Bronvermelding

Piaget, J., Burrell, P., Fishbein, H. D., Inhelder, B., & Leake, L. (1975). The origin of the idea of chance in children. Norton.

Chicago (17e ed.) Bronvermelding

Piaget, Jean, Paul Burrell, Harold D. Fishbein, Barbel Inhelder, en Lowell Leake. The Origin of the Idea of Chance in Children. New York: Norton, 1975.

MLA (9e ed.) Bronvermelding

Piaget, Jean, et al. The Origin of the Idea of Chance in Children. Norton, 1975.