Harford, T. (2018). Fifty things thah made the modern economy. Abacus.
Chicago-viite (17. p.)Harford, Tim. Fifty Things Thah Made the Modern Economy. London, United Kingdom: Abacus, 2018.
MLA-viite (9. p.)Harford, Tim. Fifty Things Thah Made the Modern Economy. Abacus, 2018.
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