Citação norma APA

George, D., & Mallery, P. (2012). IBM SPSS statistics 19 step by step: A simple guide and reference (Twelfth edition.). Pearson.

Citação norma Chicago

George, Darren, and Paul Mallery. IBM SPSS Statistics 19 Step by Step: A Simple Guide and Reference. Twelfth edition. Boston: Pearson, 2012.

Citação norma MLA

George, Darren, and Paul Mallery. IBM SPSS Statistics 19 Step by Step: A Simple Guide and Reference. Twelfth edition. Pearson, 2012.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.