Tabachnick, B., L. Fidell, 2006, Using Multivariate Statistics, USA, Person International Edition, 5ª.
Reis, E., 1997, Estatística Multivariada Aplicada, Lisboa, Sílabo.
Maroco, João, 2010, Análise Estatística com o PASW Statistics (ex-SPSS), Pero Pinheiro, ReportNumber.
Hair, J., R. Anderson, R. Tatham & W. Black, 2006, Multivariate Data Analysis, Upper Saddle River: Pearson 6ª ed.
Field, A., 2009, Discovering Statistics Using SPSS, London, Sage, 3ª ed.
Cohen, J., P. Cohen, S. West, L. Aiken (2003) Applied Multiple Regression/Correlation. Analysis for the Behavioral Sciences, Mahawh: Laurence Erlbaum, 3ª ed.
: