(en) Paul Hainsworth, The Extreme Right in Western Europe, Routledge, (lire en ligne), p. 66.
(en) David Art, Inside the Radical Right: The Development of Anti-Immigrant Parties in Western Europe, Cambridge University Press, (lire en ligne), p. 188.
(en) Justine Lacroix et Kalypso Nicolaīdis, European Stories: Intellectual Debates on Europe in National Contexts, Oxford, Oxford University Press, (ISBN978-0-19-959462-7, lire en ligne), p. 188.
(en) Sofia Vasilopoulou, Euroscepticism and the radical right: domestic strategies and party system dynamics, The London School of Economics and Political Science (LSE), , 157– (lire en ligne).