Howell, D. C. (2002). Statistical methods for psychology (5th ed.). Duxbury/Thomson Learning.
Chicago Style (17. basım) AtıfHowell, David C. Statistical Methods for Psychology. 5th ed. Pacific Grove, CA: Duxbury/Thomson Learning, 2002.
MLA (9th ed.) AtıfHowell, David C. Statistical Methods for Psychology. 5th ed. Duxbury/Thomson Learning, 2002.
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