Gravetter, F. J., & Wallnau, L. B. (1999). Essentials of statistics for the behavioral sciences (3rd ed.). Brooks/Cole.
Chicago (17e ed.) BronvermeldingGravetter, Frederick J., en Larry B. Wallnau. Essentials of Statistics for the Behavioral Sciences. 3rd ed. Pacific Grove: Brooks/Cole, 1999.
MLA (9e ed.) BronvermeldingGravetter, Frederick J., en Larry B. Wallnau. Essentials of Statistics for the Behavioral Sciences. 3rd ed. Brooks/Cole, 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.