Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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