European Commission : Directorate-General for Research. (2010). Science at the service of Europe: A guide to the 2009 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 : Directorate-General for Research. Science At the Service of Europe: A Guide to the 2009 Annual Activity Report of the European Commission's Directorate-General for Research. Luxembourg: Office for Official Publications of the European Communities, 2010.
Παραπομπή MLAEuropean Commission : Directorate-General for Research. Science At the Service of Europe: A Guide to the 2009 Annual Activity Report of the European Commission's Directorate-General for Research. Luxembourg: Office for Official Publications of the European Communities, 2010.