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Lua i Stíl Chicago (17ú heag.)Bonino, Guido. The Arrow and the Point: Russell and Wittgenstein's Tractatus. Heusenstamm [Germany]: ontos, 2008.
Lua MLA (9ú heag.)Bonino, Guido. The Arrow and the Point: Russell and Wittgenstein's Tractatus. ontos, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.