APA (7th ed.) Zitazioa

Sowell, T. (2007). Basic economics: A citizen's guide to the economy. Viva Books.

Chicago Style (17th ed.) Zitazioa

Sowell, Thomas. Basic Economics: A Citizen's Guide to the Economy. New Delhi: Viva Books, 2007.

MLA (9th ed.) Zitazioa

Sowell, Thomas. Basic Economics: A Citizen's Guide to the Economy. Viva Books, 2007.