Johnson, R. A., & Wichern, D. W. (2002). Applied multivariate statistical analysis (5th ed.). Prentice Hall.
Cita Chicago (17th ed.)Johnson, Richard Arnold, i Dean W. Wichern. Applied Multivariate Statistical Analysis. 5th ed. Upper Saddle River, NJ: Prentice Hall, 2002.
Cita MLA (9th ed.)Johnson, Richard Arnold, i Dean W. Wichern. Applied Multivariate Statistical Analysis. 5th ed. Prentice Hall, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.