European Central Bank, The Euro: Banknotes: Design elements. Geraadpleegd op 5 juli 2009. "The banknotes show a geographical representation of Europe. It excludes islands of less than 400 square kilometres because high-volume offset printing does not permit the accurate reproduction of small design elements."
ECB: Banknotes. European Central Bank. ecb.int (2002). Gearchiveerd op 16 juli 2012. Geraadpleegd op 9 januari 2012.