Piaget, J. (1959). Judgment and Reasoning in the Child. Paterson, N. J.: Littlefield, Adams & Co.
Παραπομπή Chicago StylePiaget, Jean. Judgment and Reasoning in the Child. Paterson, N. J.: Littlefield, Adams & Co, 1959.
Παραπομπή MLAPiaget, Jean. Judgment and Reasoning in the Child. Paterson, N. J.: Littlefield, Adams & Co, 1959.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.