Cita APA

Colman, D., & Young, T. (1989). Principles of agricultural economics: Markets and prices in less developed countries. Cambridge University Press.

Citación estilo Chicago

Colman, David, and Trevor Young. Principles of Agricultural Economics: Markets and Prices in Less Developed Countries. Cambridge: Cambridge University Press, 1989.

Cita MLA

Colman, David, and Trevor Young. Principles of Agricultural Economics: Markets and Prices in Less Developed Countries. Cambridge University Press, 1989.