Blackburn, S. (2005). The Oxford dictionary of philosophy (2nd ed.). Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Blackburn, Simon. The Oxford Dictionary of Philosophy. 2nd ed. Oxford: Oxford University Press, 2005.
Lua MLA (9ú heag.)Blackburn, Simon. The Oxford Dictionary of Philosophy. 2nd ed. Oxford University Press, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.