Hair Joseph F. (2015). Multivariate Data Analysis (7th.). Pearson.
Lua i Stíl Chicago (17ú heag.)Hair Joseph F. Multivariate Data Analysis. 7th. New Delhi: Pearson, 2015.
Lua MLA (9ú heag.)Hair Joseph F. Multivariate Data Analysis. 7th. Pearson, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.