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Lua i Stíl Chicago (17ú heag.)Shapere, Dudley. Philosophical Problems of Natural Science. New York: Macmillan, 1965.
Lua MLA (9ú heag.)Shapere, Dudley. Philosophical Problems of Natural Science. Macmillan, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.