Gwartney, J. D., Lawson, R. A., & Hall, J. (2008). Economic freedom of the world: 2008 annual report. Fraser Institute : Economic Freedom Network.
Cita Chicago Style (17a ed.)Gwartney, James D., Robert A. Lawson, y Joshua Hall. Economic Freedom of the World: 2008 Annual Report. Vancouver [B.C.]: Fraser Institute : Economic Freedom Network, 2008.
Cita MLA (9a ed.)Gwartney, James D., et al. Economic Freedom of the World: 2008 Annual Report. Fraser Institute : Economic Freedom Network, 2008.
Precaución: Estas citas no son 100% exactas.