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Lua i Stíl Chicago (17ú heag.)Multivariate Data Analysis: A Global Perspective Seventh Edition. Pearson, 2010.
Lua MLA (8ú heag.)Multivariate Data Analysis: A Global Perspective Seventh Edition. Pearson, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.