(en) Mona Moufahim et Michael Humphreys, The Routledge Companion to Ethics, Politics and Organizations, Routledge, , 522 p. (ISBN978-1-136-74624-6, lire en ligne), « Marketing an extremist ideology: the Vlaams Belang's nationalist discourse », p. 90.
(en) Sara Wallace Goodman et Marc Morjé Howard, Special Issue: Immigration, Citizenship, and the Constitution of Legality, Austin Sarat (ISBN978-1-78190-431-2, lire en ligne), « Evaluating and explaining the restrictive backlash in citizenship policy in Europe », p. 132
Political Geography p.145 Google Books. Authors - Joe Painter and Alex Jeffery. Published by Sage in Los Angeles, United States. First published in 2009.