Royal Institute of Philosophy & O'Hear, A. (2009). Epistemology. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Royal Institute of Philosophy agus Anthony O'Hear. Epistemology. Cambridge: Cambridge University Press, 2009.
Lua MLA (9ú heag.)Royal Institute of Philosophy agus Anthony O'Hear. Epistemology. Cambridge University Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.