(1979). Business Policy And Strategy Selected Readings Editor By Edmund R. Gray. Austin Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBusiness Policy And Strategy Selected Readings Editor By Edmund R. Gray. Austin Press, 1979.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBusiness Policy And Strategy Selected Readings Editor By Edmund R. Gray. Austin Press, 1979.
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