Anderson, K., & Valdés, A. (2008). Distortions to agricultural incentives in Latin America. World Bank.
Lua i Stíl Chicago (17ú heag.)Anderson, Kym, agus Alberto Valdés. Distortions to Agricultural Incentives in Latin America. Washington, D.C.: World Bank, 2008.
Lua MLA (9ú heag.)Anderson, Kym, agus Alberto Valdés. Distortions to Agricultural Incentives in Latin America. World Bank, 2008.
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