Levin, M. (2005). J. s. mill on civilization and barbarism. Routledge.
Lua i Stíl Chicago (17ú heag.)Levin, Michael. J. S. Mill on Civilization and Barbarism. London: Routledge, 2005.
Lua MLA (9ú heag.)Levin, Michael. J. S. Mill on Civilization and Barbarism. Routledge, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.