Siegel, S. (1956). Non parametric statistics for the behavioural sciences. McGraw-Hill.
Chicago Style aipamenaSiegel, Sidney. Non Parametric Statistics for the Behavioural Sciences. New York: McGraw-Hill, 1956.
MLA aipamenaSiegel, Sidney. Non Parametric Statistics for the Behavioural Sciences. McGraw-Hill, 1956.
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