Source and copyright
Source: Rising to the challenge: joining the historic journey to an ever closer union, Speech by Romano Prodi, President of the European Commission At the Liechtenstein Palace, Prague, Friday 6th April 2001. [ON-LINE]. [Prague]: Ministry of Foreign Affairs of the Czech Republic, [06.04.2001]. Disponible sur http://www.mzv.cz/_archiv/enprojevy/prodi.html.
Copyright: Ministry of Foreign Affairs of the Czech Republic