Gladwell, M. (2009). The tipping point: How little things can make a big difference. Abacus.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGladwell, Malcolm. The Tipping Point: How Little Things Can Make a Big Difference. London: Abacus, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGladwell, Malcolm. The Tipping Point: How Little Things Can Make a Big Difference. Abacus, 2009.
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