Mlonard Leonard. (2008). Drunkards Walk: How Randomness Rules Our Lives. Penguin Books.
Chicago-viite (17. p.)Mlonard Leonard. Drunkards Walk: How Randomness Rules Our Lives. London ,England: Penguin Books, 2008.
MLA-viite (9. p.)Mlonard Leonard. Drunkards Walk: How Randomness Rules Our Lives. Penguin Books, 2008.
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