Não informado. (2001). Studies in philosophy and education. Kluwer Academic Publishers.
Lua i Stíl Chicago (17ú heag.)Não informado. Studies in Philosophy and Education. Dordrecht, Holanda: Kluwer Academic Publishers, 2001.
Lua MLA (8ú heag.)Não informado. Studies in Philosophy and Education. Kluwer Academic Publishers, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.