(en) Hans Jørgen Nielsen, « The Uncivil Culture: Attitudes towards the Political System in Denmark, and Vote for the Progress Party 1973–1975 », Scandinavian Political Studies, vol. 11, no A11, , p. 147–155 (ISSN0080-6757 et 1467-9477, DOI10.1111/j.1467-9477.1976.tb00450.x, lire en ligne, consulté le )
ekstrabladet.dk
(da) « 420.000 muslimer skal smides ud af landet » [« 420,000 Muslims must be thrown out of the country »], Ekstra Bladet, (lire en ligne, consulté le )
(en) Hans Jørgen Nielsen, « The Uncivil Culture: Attitudes towards the Political System in Denmark, and Vote for the Progress Party 1973–1975 », Scandinavian Political Studies, vol. 11, no A11, , p. 147–155 (ISSN0080-6757 et 1467-9477, DOI10.1111/j.1467-9477.1976.tb00450.x, lire en ligne, consulté le )
(en) Hans Jørgen Nielsen, « The Uncivil Culture: Attitudes towards the Political System in Denmark, and Vote for the Progress Party 1973–1975 », Scandinavian Political Studies, vol. 11, no A11, , p. 147–155 (ISSN0080-6757 et 1467-9477, DOI10.1111/j.1467-9477.1976.tb00450.x, lire en ligne, consulté le )
worldcat.org
Mapping the extreme right in contemporary Europe : from local to transnational (Andrea Mammone, Emmanuel Godin, Brian Jenkins), New York, Routledge, , 241 p. (ISBN978-0-203-12192-4, OCLC796841092, lire en ligne)