Valdés, A. (2000). Agricultural support policies in transition economies. World Bank.
Chicago (17e ed.) BronvermeldingValdés, Alberto. Agricultural Support Policies in Transition Economies. Washington, D.C.: World Bank, 2000.
MLA (9e ed.) BronvermeldingValdés, Alberto. Agricultural Support Policies in Transition Economies. World Bank, 2000.