European Commission. (2007). Science at the service of Europe: A plain guide to the 2006 annual activity report of the European Commission's Directorate-General for Research. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Commission. Science At the Service of Europe: A Plain Guide to the 2006 Annual Activity Report of the European Commission's Directorate-General for Research. Luxembourg: Office for Official Publications of the European Communities, 2007.
Παραπομπή MLAEuropean Commission. Science At the Service of Europe: A Plain Guide to the 2006 Annual Activity Report of the European Commission's Directorate-General for Research. Luxembourg: Office for Official Publications of the European Communities, 2007.