Spiegel, M. R. (1975). Theory and problems of probability and statistics. McGrawHill.
Παραπομπή Chicago StyleSpiegel, Murray R. Theory and Problems of Probability and Statistics. Singapore: McGrawHill, 1975.
Παραπομπή MLASpiegel, Murray R. Theory and Problems of Probability and Statistics. McGrawHill, 1975.
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