APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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