APA-viite (7. p.)

Harford,Tim. (2017). Fifty things that made the modern economy (NA.). Little,Brown.

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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