Alvarez Plata, P., Brucker, H. 1., Siliverstovs, B., & European Centre for the Development of Vocational Training. (2003). Potential migration from Central and Eastern Europe into the EU-15: An update : report for the European Commission, DG Employment and Social Affairs. Luxembourg: Office for Official Publications of the European Communities.

Alvarez Plata, Patricia., Herbert 1960- Brucker, Boriss Siliverstovs, and European Centre for the Development of Vocational Training. Potential Migration From Central and Eastern Europe Into the EU-15: An Update : Report for the European Commission, DG Employment and Social Affairs. Luxembourg: Office for Official Publications of the European Communities, 2003.

Alvarez Plata, Patricia., Herbert 1960- Brucker, Boriss Siliverstovs, and European Centre for the Development of Vocational Training. Potential Migration From Central and Eastern Europe Into the EU-15: An Update : Report for the European Commission, DG Employment and Social Affairs. Luxembourg: Office for Official Publications of the European Communities, 2003.