Spiegel, M. R. (1961). Schaum's outline of theory and problems of statistics. Schaum.
Chicago-čujuhus (17. p.)Spiegel, Murray R. Schaum's Outline of Theory and Problems of Statistics. Nueva York: Schaum, 1961.
MLA-čujuhus (9. p.)Spiegel, Murray R. Schaum's Outline of Theory and Problems of Statistics. Schaum, 1961.
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