Multivariate data analysis / Joseph F. Hair, Jr. ... [et al.]. - 6th ed. - Upper Saddle River, N.J. : Pearson Prentice Hall, 2006. - xxiv, 899 p. : ill. ; 27 cm. Includes bibliographical references and index. ISBN: 0130329290 RM536.66 Subjects--Topical Terms: Multivariate analysis.