Harford, T. (2010). Dear Under Cover Economist: The very best Letters from the 'Dear Economist' Column. Littele Brown.
Chicago-Zitierstil (17. Ausg.)Harford, Tim. Dear Under Cover Economist: The Very Best Letters from the 'Dear Economist' Column. Londn: Littele Brown, 2010.
MLA-Zitierstil (9. Ausg.)Harford, Tim. Dear Under Cover Economist: The Very Best Letters from the 'Dear Economist' Column. Littele Brown, 2010.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.