Παραπομπή APA
European Commission., & Proceedings of a European Colloquium. (1992). Ageing at work: Proceedings of a European Colloquium, Paris, 12 June 1991. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Commission., and Proceedings of a European Colloquium. Ageing At Work: Proceedings of a European Colloquium, Paris, 12 June 1991. Luxembourg: Office for Official Publications of the European Communities, 1992.
Παραπομπή MLAEuropean Commission., and Proceedings of a European Colloquium. Ageing At Work: Proceedings of a European Colloquium, Paris, 12 June 1991. Luxembourg: Office for Official Publications of the European Communities, 1992.
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