APA (7e ed.) Bronvermelding

Osborn , J. D., & D. Keith Osborn. (1983). Cognition in early childhood (ed.). Education Associates ..

Chicago (17e ed.) Bronvermelding

Osborn , Janie Dyson, en D. Keith Osborn. Cognition in Early Childhood. ed. Athens: Education Associates ., 1983.

MLA (9e ed.) Bronvermelding

Osborn , Janie Dyson, en D. Keith Osborn. Cognition in Early Childhood. ed. Education Associates ., 1983.