Spiegel, M. R. (2008). Theory and problem of statistics. New York: McGraw-Hill.
शिकागो स्टाइल उद्धरणSpiegel, Murray R. Theory and Problem of Statistics. New York: McGraw-Hill, 2008.
एमएलए उद्धरणSpiegel, Murray R. Theory and Problem of Statistics. New York: McGraw-Hill, 2008.
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