A, J. R. (2002). Applied Multivariate Statistical Analysis (1st edition.). Pearson.
Lua i Stíl Chicago (17ú heag.)A, Johnson Richard. Applied Multivariate Statistical Analysis. 1st edition. New Delhi: Pearson, 2002.
Lua MLA (9ú heag.)A, Johnson Richard. Applied Multivariate Statistical Analysis. 1st edition. Pearson, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.