George, D., & Mallery, P. (2000). SPSS for Windows step by step: A simple guide and reference 9.0 update (2nd ed.). Boston: Allyn and Bacon.
Chicago Style CitationGeorge, Darren, and Paul Mallery. SPSS for Windows Step By Step: A Simple Guide and Reference 9.0 Update. 2nd ed. Boston: Allyn and Bacon, 2000.
MLA CitationGeorge, Darren, and Paul Mallery. SPSS for Windows Step By Step: A Simple Guide and Reference 9.0 Update. 2nd ed. Boston: Allyn and Bacon, 2000.
Warning: These citations may not always be 100% accurate.