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Lua i Stíl Chicago (17ú heag.)Aristotle. On Man in the Universe. New York: WJB, 1943.
Lua MLA (9ú heag.)Aristotle. On Man in the Universe. WJB, 1943.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.