Spiegel, M. R., Stephens, L. J., & Stephens, L. J. (1999). Schaum's outline of theory and problems of statistics (3rd ed /.). New York: McGraw-Hill.
Παραπομπή Chicago StyleSpiegel, Murray R., Larry J. Stephens, and Larry J. Stephens. Schaum's Outline of Theory and Problems of Statistics. 3rd ed /. New York: McGraw-Hill, 1999.
Παραπομπή MLASpiegel, Murray R., Larry J. Stephens, and Larry J. Stephens. Schaum's Outline of Theory and Problems of Statistics. 3rd ed /. New York: McGraw-Hill, 1999.
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