Upton, M. (1996). The economics of tropical farming systems. Cambridge University Press.
Citación estilo ChicagoUpton, Martin. The Economics of Tropical Farming Systems. Cambridge ; New York: Cambridge University Press, 1996.
Cita MLAUpton, Martin. The Economics of Tropical Farming Systems. Cambridge University Press, 1996.
Warning: These citations may not always be 100% accurate.