Siegel, S. (1956). Nonparametric statistics: For the behavorial sciences. McGraw-Hill.
Cita Chicago Style (17a ed.)Siegel, Sidney. Nonparametric Statistics: For the Behavorial Sciences. New York: McGraw-Hill, 1956.
Cita MLA (8a ed.)Siegel, Sidney. Nonparametric Statistics: For the Behavorial Sciences. McGraw-Hill, 1956.
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