Παραπομπή APA
European Commission., Bjornavold, J., & Pettersson, S. (2001). Transparency of vocational qualifications: The Leonardo da Vinci approach. Luxemburg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Commission., Jens Bjornavold, and Sten Pettersson. Transparency of Vocational Qualifications: The Leonardo Da Vinci Approach. Luxemburg: Office for Official Publications of the European Communities, 2001.
Παραπομπή MLAEuropean Commission., Jens Bjornavold, and Sten Pettersson. Transparency of Vocational Qualifications: The Leonardo Da Vinci Approach. Luxemburg: Office for Official Publications of the European Communities, 2001.
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