Dunning, T. (2008). Crude democracy: Natural resource wealth and political regimes. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Dunning, Thad. Crude Democracy: Natural Resource Wealth and Political Regimes. Cambridge, [England]: Cambridge University Press, 2008.
Lua MLA (9ú heag.)Dunning, Thad. Crude Democracy: Natural Resource Wealth and Political Regimes. Cambridge University Press, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.