Hickman. Unmodern Philosophy and Modern Philosophy. Southern Illinois University Press.
Lua i Stíl Chicago (17ú heag.)Hickman. Unmodern Philosophy and Modern Philosophy. Southern Illinois University Press.
Lua MLA (8ú heag.)Hickman. Unmodern Philosophy and Modern Philosophy. Southern Illinois University Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.