Hair, J. F. J., Black, W. C., Babin, B. J., Anderson, R. E., & Tatham, R. L. (2011). Multivariate Data Analysis (6th ed.). Pearson Education India Pvt. Ltd.
Lua i Stíl Chicago (17ú heag.)Hair, Joseph F. Jr, William C. Black, Barry J. Babin, Rolph E. Anderson, agus Ronald L. Tatham. Multivariate Data Analysis. 6th ed. New Delhi: Pearson Education India Pvt. Ltd, 2011.
Lua MLA (9ú heag.)Hair, Joseph F. Jr, et al. Multivariate Data Analysis. 6th ed. Pearson Education India Pvt. Ltd, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.