APA (7e ed.) Bronvermelding

Harford, T. (2018). Fifty things thah made the modern economy. Abacus.

Chicago (17e ed.) Bronvermelding

Harford, Tim. Fifty Things Thah Made the Modern Economy. London, United Kingdom: Abacus, 2018.

MLA (9e ed.) Bronvermelding

Harford, Tim. Fifty Things Thah Made the Modern Economy. Abacus, 2018.