Gwartney, J. D. (2003). Economics: Private and public choice (Tenth edition.). Thomson.
Chicago Style (17th ed.) ZitazioaGwartney, James D. Economics: Private and Public Choice. Tenth edition. Australia: Thomson, 2003.
MLA (9th ed.) ZitazioaGwartney, James D. Economics: Private and Public Choice. Tenth edition. Thomson, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.