Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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