Segel, S. (1988). Nonparametrics statistics for the behaviur science (1st edition.). McGraw-Hill.
Chicago-viite (17. p.)Segel, Sidney. Nonparametrics Statistics for the Behaviur Science. 1st edition. New York: McGraw-Hill, 1988.
MLA-viite (9. p.)Segel, Sidney. Nonparametrics Statistics for the Behaviur Science. 1st edition. McGraw-Hill, 1988.
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