APA-referens (7:e uppl.)

Gladwell, M. (2009). Outliers: The story of success. Penguin.

Chicago-referens (17:e uppl.)

Gladwell, Malcolm. Outliers: The Story of Success. London: Penguin, 2009.

MLA-referens (9:e uppl.)

Gladwell, Malcolm. Outliers: The Story of Success. Penguin, 2009.