Spiegel, M. R., & Stephens, L. J. (2018). Schaum's Outlines of Statistics (6th.). McGraw-Hill Education.
Chicago-čujuhus (17. p.)Spiegel, Murray R., juo Larry J. Stephens. Schaum's Outlines of Statistics. 6th. New York: McGraw-Hill Education, 2018.
MLA-čujuhus (9. p.)Spiegel, Murray R., juo Larry J. Stephens. Schaum's Outlines of Statistics. 6th. McGraw-Hill Education, 2018.
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