Delors, J. (1996). Learning the treasure within: Report to UNESCO of International Commission on education for the twenty-first century. UNESCO Publishing.
Παραπομπή σε μορφή Chicago (17η εκδ.)Delors, Jacques. Learning the Treasure Within: Report to UNESCO of International Commission on Education for the Twenty-first Century. Paris: UNESCO Publishing, 1996.
Παραπομπή σε μορφή MLA (9th εκδ.)Delors, Jacques. Learning the Treasure Within: Report to UNESCO of International Commission on Education for the Twenty-first Century. UNESCO Publishing, 1996.
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