Fifty Lessons. (2008). Doing Business Globally. Harvard Bus.School Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFifty Lessons. Doing Business Globally. Boston: Harvard Bus.School Pub, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFifty Lessons. Doing Business Globally. Harvard Bus.School Pub, 2008.
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