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Lua i Stíl Chicago (17ú heag.)Hart, Norman A. Effective Corporate Relations: Applying Public Relations in Business and Industry. London: McGraw-Hill, 1987.
Lua MLA (9ú heag.)Hart, Norman A. Effective Corporate Relations: Applying Public Relations in Business and Industry. McGraw-Hill, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.