Não informado. (2008). Think. Royal Institute of Philosophy.
Lua i Stíl Chicago (17ú heag.)Não informado. Think. London: Royal Institute of Philosophy, 2008.
Lua MLA (8ú heag.)Não informado. Think. Royal Institute of Philosophy, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.