Παραπομπή σε μορφή APA (7η εκδ.)

Harford, T. (2010). Dear Under Cover Economist: The very best Letters from the 'Dear Economist' Column. Littele Brown.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Harford, Tim. Dear Under Cover Economist: The Very Best Letters from the 'Dear Economist' Column. Londn: Littele Brown, 2010.

Παραπομπή σε μορφή MLA (9th εκδ.)

Harford, Tim. Dear Under Cover Economist: The Very Best Letters from the 'Dear Economist' Column. Littele Brown, 2010.