Παραπομπή APA
European Commission. (2004). Statistics on science and technology in Europe: Data 1991-2002 (2003 edition.). Luxembourg: Office for Official Publication of the European Communities.
Παραπομπή Chicago StyleEuropean Commission. Statistics On Science and Technology in Europe: Data 1991-2002. 2003 edition. Luxembourg: Office for Official Publication of the European Communities, 2004.
Παραπομπή MLAEuropean Commission. Statistics On Science and Technology in Europe: Data 1991-2002. 2003 edition. Luxembourg: Office for Official Publication of the European Communities, 2004.
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