Gladwell, M. (2001). Tipping Point: How Little things can make a Big difference (NA.). ABACUS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGladwell, Malcolm. Tipping Point: How Little Things Can Make a Big Difference. NA. London: ABACUS, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGladwell, Malcolm. Tipping Point: How Little Things Can Make a Big Difference. NA. ABACUS, 2001.
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