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Lua i Stíl Chicago (17ú heag.)Speier, Hans. Force and Folly: Essays on Foreign Affairs and the History of Ideas. Cambridge, Mass: M.I.T. Press, 1969.
Lua MLA (9ú heag.)Speier, Hans. Force and Folly: Essays on Foreign Affairs and the History of Ideas. M.I.T. Press, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.