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Lua i Stíl Chicago (17ú heag.)Araujo, Marcelo de. Scepticism, Freedom, and Autonomy: A Study of the Moral Foundations of Descartes' Theory of Knowledge. Berlin ; New York: Walter de Gruyter, 2003.
Lua MLA (9ú heag.)Araujo, Marcelo de. Scepticism, Freedom, and Autonomy: A Study of the Moral Foundations of Descartes' Theory of Knowledge. Walter de Gruyter, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.