Holt Douglas B. (2004). How Brands Become Icons. Harvard Business School.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHolt Douglas B. How Brands Become Icons. Boston: Harvard Business School, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHolt Douglas B. How Brands Become Icons. Harvard Business School, 2004.
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