Colman, D., & Young, T. (1989). Principles of agricultural economics: Markets and prices in less developed countries. Cambridge University Press.
Citace podle Chicago (17th ed.)Colman, David, a Trevor Young. Principles of Agricultural Economics: Markets and Prices in Less Developed Countries. Cambridge: Cambridge University Press, 1989.
Citace podle MLA (9th ed.)Colman, David, a Trevor Young. Principles of Agricultural Economics: Markets and Prices in Less Developed Countries. Cambridge University Press, 1989.
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