Freed, N. (2008). Understanding business statistics (2nd ed.). Independent Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFreed, Ned. Understanding Business Statistics. 2nd ed. Portland, Oregon: Independent Pub, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFreed, Ned. Understanding Business Statistics. 2nd ed. Independent Pub, 2008.
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