Gravetter, F. J., & Frederick J Gravetter. (2007). Study guide for Gravetter and Wallnau's Statistics for the behavioral sciences. Belmont, CA: Thomson/Wadsworth.
Chicago Style citaatGravetter, Frederick J., en Frederick J Gravetter. Study Guide for Gravetter and Wallnau's Statistics for the Behavioral Sciences. Belmont, CA: Thomson/Wadsworth, 2007.
MLA citatieGravetter, Frederick J., en Frederick J Gravetter. Study Guide for Gravetter and Wallnau's Statistics for the Behavioral Sciences. Belmont, CA: Thomson/Wadsworth, 2007.
Let op: Deze citaties zijn niet altijd 100% accuraat.