(en) Thinking about Europe as a Community. Central European University Press. Geraadpleegd op 13 augustus 2023. "However, the debate on the preamble gave rise to significant conflicts. First we refused to mention Europe’s religious heritage, then we forgot to talk about Christianity or the Judeo-Christian heritage and cited only the Enlightenment tradition alongside the Greeks and Romans. The compromise solution that was provisionally accepted carries a weak, indeed obscure message."
India and the EU: strategic partners?. Centre for European Reform (februari/maart 2006). Gearchiveerd op 21 november 2008. Geraadpleegd op 4 april 2008.
