Hair, J. F. J., Black, W. C., Babin, B. J., & Anderson, R. E. (2019). Multivariate Data Analysis (8th ed.). Cengage Learning India Pvt. Ltd.
Lua i Stíl Chicago (17ú heag.)Hair, Joseph F. Jr, William C. Black, Barry J. Babin, agus Rolph E. Anderson. Multivariate Data Analysis. 8th ed. New Delhi: Cengage Learning India Pvt. Ltd, 2019.
Lua MLA (9ú heag.)Hair, Joseph F. Jr, et al. Multivariate Data Analysis. 8th ed. Cengage Learning India Pvt. Ltd, 2019.
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