SPIEGEL, M. R., & SPIEGEL, M. R. (1975). Schaum's Outline Series Theory And Problems Of Probability And Statistics / Murray R. Spiegel. McGraw-Hill.
Chicago-viite (17. p.)SPIEGEL, Murray R., ja Murray R. SPIEGEL. Schaum's Outline Series Theory And Problems Of Probability And Statistics / Murray R. Spiegel. McGraw-Hill, 1975.
MLA-viite (8. p.)SPIEGEL, Murray R., ja Murray R. SPIEGEL. Schaum's Outline Series Theory And Problems Of Probability And Statistics / Murray R. Spiegel. McGraw-Hill, 1975.
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