(1999). Sixth periodic report on the regions: Summary of main findings. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleSixth Periodic Report On the Regions: Summary of Main Findings. Luxembourg: Office for Official Publications of the European Communities, 1999.
Παραπομπή MLASixth Periodic Report On the Regions: Summary of Main Findings. Luxembourg: Office for Official Publications of the European Communities, 1999.
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