Piaget, J., Garcia, R., & Feider, H. (1989). Psychogenesis and the history of science. New York: Columbia University Press.
Παραπομπή Chicago StylePiaget, Jean, Rolando Garcia, and Helga Feider. Psychogenesis and the History of Science. New York: Columbia University Press, 1989.
Παραπομπή MLAPiaget, Jean, Rolando Garcia, and Helga Feider. Psychogenesis and the History of Science. New York: Columbia University Press, 1989.
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