Παραπομπή APA
European Commission. (1999). Social protection in the member states of the Union: Situation on 1 January 1998 and evolution. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Commission. Social Protection in the Member States of the Union: Situation On 1 January 1998 and Evolution. Luxembourg: Office for Official Publications of the European Communities, 1999.
Παραπομπή MLAEuropean Commission. Social Protection in the Member States of the Union: Situation On 1 January 1998 and Evolution. Luxembourg: Office for Official Publications of the European Communities, 1999.
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