APA (7e ed.) Bronvermelding

Tim harford. (2017). Fifty Things That Made the Modern Economy. Little Brown.

Chicago (17e ed.) Bronvermelding

Tim harford. Fifty Things That Made the Modern Economy. UK: Little Brown, 2017.

MLA (9e ed.) Bronvermelding

Tim harford. Fifty Things That Made the Modern Economy. Little Brown, 2017.