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Lua i Stíl Chicago (17ú heag.)Copleston, Frederick. A History of Philosophy. New York ; London: Doubleday, 1993.
Lua MLA (8ú heag.)Copleston, Frederick. A History of Philosophy. Doubleday, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.