Hume, D., & Haakonssen, K. (1994). Hume: Political essays. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Hume, David, agus Knud Haakonssen. Hume: Political Essays. Cambridge: Cambridge University Press, 1994.
Lua MLA (9ú heag.)Hume, David, agus Knud Haakonssen. Hume: Political Essays. Cambridge University Press, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.