Weiers, R. M., Gray, J. B., & Peters, L. H. (2008). Introduction to business statistics (6th ed.). Thomson/South-Western.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWeiers, Ronald M., J. Brian Gray, और Lawrence H. Peters. Introduction to Business Statistics. 6th ed. Mason, OH: Thomson/South-Western, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWeiers, Ronald M., et al. Introduction to Business Statistics. 6th ed. Thomson/South-Western, 2008.
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