Παραπομπή APA

Piaget, J. (1959). Judgment and Reasoning in the Child. Paterson, N. J.: Littlefield, Adams & Co.

Παραπομπή Chicago Style

Piaget, Jean. Judgment and Reasoning in the Child. Paterson, N. J.: Littlefield, Adams & Co, 1959.

Παραπομπή MLA

Piaget, Jean. Judgment and Reasoning in the Child. Paterson, N. J.: Littlefield, Adams & Co, 1959.

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