Spiegel, M. (1982). Schaum's outline of theory and problems of probability and statistics. McGraw-Hill Book Co., Inc.
Lua i Stíl Chicago (17ú heag.)Spiegel, M.R. Schaum's Outline of Theory and Problems of Probability and Statistics. Singapore: McGraw-Hill Book Co., Inc, 1982.
Lua MLA (9ú heag.)Spiegel, M.R. Schaum's Outline of Theory and Problems of Probability and Statistics. McGraw-Hill Book Co., Inc, 1982.
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