Benson, J. T. M. a. P. G. Statistics for business and economics. Dellen Publishing Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBenson, James T. McClave and P. George. Statistics for Business and Economics. Dellen Publishing Company.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBenson, James T. McClave and P. George. Statistics for Business and Economics. Dellen Publishing Company.
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