Spiegel, M. R. (1961). Schaum's outline of theory and problems of statistics. Schaum.
Cita Chicago (17th ed.)Spiegel, Murray R. Schaum's Outline of Theory and Problems of Statistics. Nueva York: Schaum, 1961.
Cita MLA (9th ed.)Spiegel, Murray R. Schaum's Outline of Theory and Problems of Statistics. Schaum, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.