Seyfried, E., & European Centre for the Development of Vocational Training. (1998). Evaluation of quality aspects in vocational training programmes: Synthesis report. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleSeyfried, Erwin., and European Centre for the Development of Vocational Training. Evaluation of Quality Aspects in Vocational Training Programmes: Synthesis Report. Luxembourg: Office for Official Publications of the European Communities, 1998.
Παραπομπή MLASeyfried, Erwin., and European Centre for the Development of Vocational Training. Evaluation of Quality Aspects in Vocational Training Programmes: Synthesis Report. Luxembourg: Office for Official Publications of the European Communities, 1998.