Mlonard Leonard. (2008). Drunkards Walk: How Randomness Rules Our Lives. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Mlonard Leonard. Drunkards Walk: How Randomness Rules Our Lives. London ,England: Penguin Books, 2008.
Lua MLA (9ú heag.)Mlonard Leonard. Drunkards Walk: How Randomness Rules Our Lives. Penguin Books, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.