Gravetter, F. J., Wallnau, L. B., & Gravetter, F. J. (2014). Essentials of statistics for the behavioral sciences. Wadsworth, Cengage Learning.
Chicago Style (17. basım) AtıfGravetter, Frederick J., Larry B. Wallnau, ve Frederick J. Gravetter. Essentials of Statistics for the Behavioral Sciences. Australia: Wadsworth, Cengage Learning, 2014.
MLA (9th ed.) AtıfGravetter, Frederick J., et al. Essentials of Statistics for the Behavioral Sciences. Wadsworth, Cengage Learning, 2014.