"Discrimination in the EU in 2012" (PDF), Special Eurobarometer, 383, European Union: European Commission, pp.  233, 2012, retrieved 14 August 2013 The question asked was "Do you consider yourself to be...?"
"Discrimination in the EU in 2012" (PDF)، يوروباروميتر، 393، الاتحاد الأوروبي: المفوضية الأوروبية، صفحة 233، 2012، اطلع عليه بتاريخ 14 أغسطس 2013  The question asked was "Do you consider yourself to be...?"