Sachs, J. (2001). Tropical underdevelopment. National Bureau of Economic Research.
Cita Chicago Style (17a ed.)Sachs, Jeffrey. Tropical Underdevelopment. Cambridge, MA: National Bureau of Economic Research, 2001.
Cita MLA (9a ed.)Sachs, Jeffrey. Tropical Underdevelopment. National Bureau of Economic Research, 2001.
Precaución: Estas citas no son 100% exactas.