Leach, C. (1979). Introduction to statistics: A nonparametric approach for the social sciences. Wiley.
Chicago Style aipamenaLeach, Chris. Introduction to Statistics: A Nonparametric Approach for the Social Sciences. Chichester [Eng.], New York: Wiley, 1979.
MLA aipamenaLeach, Chris. Introduction to Statistics: A Nonparametric Approach for the Social Sciences. Wiley, 1979.
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