Style de citation APA (7e éd.)

Howitt, D., & Cramer, D. (2017). Introduction to SPSS in psychology: For version 23 and earlier (Seventh edition.). Pearson.

Style de citation Chicago (17e éd.)

Howitt, Dennis, et Duncan Cramer. Introduction to SPSS in Psychology: For Version 23 and Earlier. Seventh edition. Harlow, England: Pearson, 2017.

Style de citation MLA (8e éd.)

Howitt, Dennis, et Duncan Cramer. Introduction to SPSS in Psychology: For Version 23 and Earlier. Seventh edition. Pearson, 2017.