Howitt, D., & Cramer, D. Introduction to SPSS statistics in psychology: For version 19 and earlier (5th ed.).
Chicago Style (17th ed.) CitationHowitt, Dennis, and Duncan Cramer. Introduction to SPSS Statistics in Psychology: For Version 19 and Earlier. 5th ed.
MLA (8th ed.) CitationHowitt, Dennis, and Duncan Cramer. Introduction to SPSS Statistics in Psychology: For Version 19 and Earlier. 5th ed.
Warning: These citations may not always be 100% accurate.