Παραπομπή APA

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.

Παραπομπή MLA

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

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.