Gladwell, M. (2002). The Tipping Point. Hachette Books.
Lua i Stíl Chicago (17ú heag.)Gladwell, Malco. The Tipping Point. Hachette Books, 2002.
Lua MLA (9ú heag.)Gladwell, Malco. The Tipping Point. Hachette Books, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.