Gravetter, F. J., Wallnau, L. B., & Gravetter, F. J. (2014). Essentials of statistics for the behavioral sciences. Wadsworth, Cengage Learning.
Chicago-viite (17. p.)Gravetter, Frederick J., Larry B. Wallnau, ja Frederick J. Gravetter. Essentials of Statistics for the Behavioral Sciences. Australia: Wadsworth, Cengage Learning, 2014.
MLA-viite (9. p.)Gravetter, Frederick J., et al. Essentials of Statistics for the Behavioral Sciences. Wadsworth, Cengage Learning, 2014.
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