Howitt, D., & Cramer, D. (2003). An introduction to statistics in psychology (Rev. 2. ed.). Prentice Hall.
Chicago Style (17th ed.) CitationHowitt, Dennis, and Duncan Cramer. An Introduction to Statistics in Psychology. Rev. 2. ed. Harlow ; Munich [u.a.]: Prentice Hall, 2003.
MLA (9th ed.) CitationHowitt, Dennis, and Duncan Cramer. An Introduction to Statistics in Psychology. Rev. 2. ed. Prentice Hall, 2003.
Warning: These citations may not always be 100% accurate.