YIP, G. S. (1995). Total Global Strategy Managing For Worldwide Competitive Advantage George S. Yip. Prentice-Hall International,In.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रYIP, George S. Total Global Strategy Managing For Worldwide Competitive Advantage George S. Yip. Prentice-Hall International,In, 1995.
एमएलए (8वां संस्करण) प्रशस्ति पत्रYIP, George S. Total Global Strategy Managing For Worldwide Competitive Advantage George S. Yip. Prentice-Hall International,In, 1995.
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