George, D., & Mallery, P. (2005). SPSS for Windows step by step: A simple guide and references, 12.0 update (5th ed.). Boston: Pearson Education.
Chicago Style CitationGeorge, Darren., and Paul Mallery. SPSS for Windows Step By Step: A Simple Guide and References, 12.0 Update. 5th ed. Boston: Pearson Education, 2005.
MLA CitationGeorge, Darren., and Paul Mallery. SPSS for Windows Step By Step: A Simple Guide and References, 12.0 Update. 5th ed. Boston: Pearson Education, 2005.
Warning: These citations may not always be 100% accurate.