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Lua i Stíl Chicago (17ú heag.)ebrary, Inc, agus John Allen Hendricks. The Twenty-first-century Media Industry: Economic and Managerial Implications in the Age of New Media. Lanham, Md.: Lexington Books, 2010.
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Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.