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Lua i Stíl Chicago (17ú heag.)George, Robert P. Natural Law Theory: Contemporary Essays. Oxford [England]: Clarendon Press, 1992.
Lua MLA (9ú heag.)George, Robert P. Natural Law Theory: Contemporary Essays. Clarendon Press, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.