Tabachnick, Barbara G., Using multivariate statistics / Barbara G. Tabachnick, Linda S. Fidell. - 5th ed. - Boston : Pearson/Allyn & Bacon, c2007. - xxviii, 980 p. : ill. ; ISBN: 0205459382 Subjects--Topical Terms: Multivariate analysis. LC Class. No.: QA278 / .T3 2007