Palmer, J., Cooper, D. E., & Bresler, L. (2001). Fifty modern thinkers on education: From Piaget to the present day. Routledge.
Παραπομπή σε μορφή Chicago (17η εκδ.)Palmer, Joy, David Edward Cooper, και Liora Bresler. Fifty Modern Thinkers on Education: From Piaget to the Present Day. London ; : New York: Routledge, 2001.
Παραπομπή σε μορφή MLA (9th εκδ.)Palmer, Joy, et al. Fifty Modern Thinkers on Education: From Piaget to the Present Day. Routledge, 2001.
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