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Lua i Stíl Chicago (17ú heag.)LEVIN, Richard I. Statistics For Management Richard L. Levin & David S. Rubbin. Prentice Hall-Inc, 1994.
Lua MLA (8ú heag.)LEVIN, Richard I. Statistics For Management Richard L. Levin & David S. Rubbin. Prentice Hall-Inc, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.