Gladwell, M. (2011). The tipping point: How little things can make a big difference (Repr.). Little, Brown.
Chicago-referens (17:e uppl.)Gladwell, Malcolm. The Tipping Point: How Little Things Can Make a Big Difference. Repr. London: Little, Brown, 2011.
MLA-referens (9:e uppl.)Gladwell, Malcolm. The Tipping Point: How Little Things Can Make a Big Difference. Repr. Little, Brown, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.