Gravetter, F. J., & Wallnau, L. B. (2009). Statistics for the behavioral sciences (8th ed.). Wadsworth/Cengage Learning.
Chicago Style (17th ed.) CitationGravetter, Frederick J., and Larry B. Wallnau. Statistics for the Behavioral Sciences. 8th ed. Belmont, Calif: Wadsworth/Cengage Learning, 2009.
ציטוט MLAGravetter, Frederick J., and Larry B. Wallnau. Statistics for the Behavioral Sciences. 8th ed. Wadsworth/Cengage Learning, 2009.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.