Gladwell, M. (2000). The tipping point: How little things can make a big difference. Little, Brown.
Lua i Stíl Chicago (17ú heag.)Gladwell, Malcolm. The Tipping Point: How Little Things Can Make a Big Difference. Boston: Little, Brown, 2000.
Lua MLA (9ú heag.)Gladwell, Malcolm. The Tipping Point: How Little Things Can Make a Big Difference. Little, Brown, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.