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Lua i Stíl Chicago (17ú heag.)Great Britain. Central Office of Information. Reference Division. British Industry Today; Organisation and Production. 2nd ed. London: H.M.S.O., 1977.
Lua MLA (8ú heag.)Great Britain. Central Office of Information. Reference Division. British Industry Today; Organisation and Production. 2nd ed. H.M.S.O., 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.