Gladwell, M. (2000). The tipping point: How little things can make a big difference. Little, Brown.
Chicago-viite (17. p.)Gladwell, Malcolm. The Tipping Point: How Little Things Can Make a Big Difference. Boston: Little, Brown, 2000.
MLA-viite (9. p.)Gladwell, Malcolm. The Tipping Point: How Little Things Can Make a Big Difference. Little, Brown, 2000.
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