Spiegel, M. R., & Stephens, L. J. (2008). Statistics/4th ed. Tata McGraw Hill Education.
Chicago Edition CitationSpiegel, Murray R., i Larry J. Stephens. Statistics/4th Ed. NewDelhi: Tata McGraw Hill Education, 2008.
Cita MLASpiegel, Murray R., i Larry J. Stephens. Statistics/4th Ed. Tata McGraw Hill Education, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.