Het Parool (03.06.2006), and http://www.expatica.com/source/site_article.asp?subchannel_id=19&story_id=30545&name=One+in+10+Dutch+people+are+racist%3A+poll Portugal:
Het Parool (03.06.2006), et http://www.expatica.com/source/site_article.asp?subchannel_id=19&story_id=30545&name=One+in+10+Dutch+people+are+racist%3A+poll Portugal: