Cohen, D. (1983). Piaget: Critique and reassessment. Croom Helm.
Cita Chicago Style (17a ed.)Cohen, David. Piaget: Critique and Reassessment. London [u.a.]: Croom Helm, 1983.
Cita MLA (8a ed.)Cohen, David. Piaget: Critique and Reassessment. Croom Helm, 1983.
Precaución: Estas citas no son 100% exactas.