Não informado. (1977). Linguistics and Philosophy. Kluwer Academic Publishers.
Lua i Stíl Chicago (17ú heag.)Não informado. Linguistics and Philosophy. Dordrecht, Holanda: Kluwer Academic Publishers, 1977.
Lua MLA (8ú heag.)Não informado. Linguistics and Philosophy. Kluwer Academic Publishers, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.