European Commission Directorate-General for Employment, S. A. a. E. O., Jorens, Y., & Ghent University. (2009). Fifty years of social security coordination: Past- Present- Future. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Commission Directorate-General for Employment, Social Affairs and Equal Opportunities., Yves Jorens, and Ghent University. Fifty Years of Social Security Coordination: Past- Present- Future. Luxembourg: Office for Official Publications of the European Communities, 2009.
Παραπομπή MLAEuropean Commission Directorate-General for Employment, Social Affairs and Equal Opportunities., Yves Jorens, and Ghent University. Fifty Years of Social Security Coordination: Past- Present- Future. Luxembourg: Office for Official Publications of the European Communities, 2009.