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Lua i Stíl Chicago (17ú heag.)A Guide to the Social Sciences. London: Weidenfeld and Nicolson, 1966.
Lua MLA (9ú heag.)A Guide to the Social Sciences. Weidenfeld and Nicolson, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.