Sowell, T. (2007). Basic economics: A citizen's guide to the economy. Viva Books.
Chicago-viite (17. p.)Sowell, Thomas. Basic Economics: A Citizen's Guide to the Economy. New Delhi: Viva Books, 2007.
MLA-viite (9. p.)Sowell, Thomas. Basic Economics: A Citizen's Guide to the Economy. Viva Books, 2007.
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