Citazione Stile APA (7a Edizione)

George, D., & Mallery, P. (2010). SPSS for Windows step by step: A simple guide and reference, 17.0 update (10th ed.). Pearson Education.

Citazione stile Chigago Style (17a edizione)

George, Darren, e Paul Mallery. SPSS for Windows Step by Step: A Simple Guide and Reference, 17.0 Update. 10th ed. New Delhi: Pearson Education, 2010.

Citatione MLA (9a ed.)

George, Darren, e Paul Mallery. SPSS for Windows Step by Step: A Simple Guide and Reference, 17.0 Update. 10th ed. Pearson Education, 2010.