Harry, M. J., & Schroeder, R. (2000). Six sigma: The breakthrough management strategy revolutionizing the world's top corporations. Currency.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHarry, Mikel J., और Richard Schroeder. Six Sigma: The Breakthrough Management Strategy Revolutionizing the World's Top Corporations. New York: Currency, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHarry, Mikel J., और Richard Schroeder. Six Sigma: The Breakthrough Management Strategy Revolutionizing the World's Top Corporations. Currency, 2000.
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