Não informado. (1922). Journal of the American Statistical Association. American Statistical Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the American Statistical Association. New York: American Statistical Association, 1922.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the American Statistical Association. American Statistical Association, 1922.
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