Norušis, M. J. (1991). The SPSS guide to data analysis for SPSS/PC+ (Second edition.). SPSS Inc..
Chicago Style (17th ed.) CitationNorušis, M. J. The SPSS Guide to Data Analysis for SPSS/PC+. Second edition. Chicago, IL: SPSS Inc., 1991.
MLA (9th ed.) CitationNorušis, M. J. The SPSS Guide to Data Analysis for SPSS/PC+. Second edition. SPSS Inc., 1991.
Warning: These citations may not always be 100% accurate.