APA citiranje

Τρυφωνόπουλος, Σ. Ι. (1973). Attitudes toward formal and adult education: An investigation among greeks. Athens: National Centre of Social Research.

Παραπομπή Chicago Style

Τρυφωνόπουλος, Σπύρος Ι. Attitudes Toward Formal and Adult Education: An Investigation Among Greeks. Athens: National Centre of Social Research, 1973.

MLA citiranje

Τρυφωνόπουλος, Σπύρος Ι. Attitudes Toward Formal and Adult Education: An Investigation Among Greeks. Athens: National Centre of Social Research, 1973.

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