Freeden Michael. (2003). Ideology: Very Short Introduction. Oxford Uty Press.
Lua i Stíl Chicago (17ú heag.)Freeden Michael. Ideology: Very Short Introduction. Oxford Uty Press, 2003.
Lua MLA (9ú heag.)Freeden Michael. Ideology: Very Short Introduction. Oxford Uty Press, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.