Howell, D. C. (1999). Fundamental statistics for the behavioral sciences (4th ed.). Duxbury Press.
Chicago Style aipamenaHowell, David C. Fundamental Statistics for the Behavioral Sciences. 4th ed. Pacific Grove, California: Duxbury Press, 1999.
MLA aipamenaHowell, David C. Fundamental Statistics for the Behavioral Sciences. 4th ed. Duxbury Press, 1999.
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