Gladwell, M. (2009). Outliers. Penguin, New Delhi.
Lua i Stíl Chicago (17ú heag.)Gladwell, Malcolm. Outliers. Penguin, New Delhi, 2009.
Lua MLA (9ú heag.)Gladwell, Malcolm. Outliers. Penguin, New Delhi, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.