Zietz, J. (1986). The costs of protectionism to developing countries: An analysis for selected agricultural products. World Bank.
Citace podle Chicago (17th ed.)Zietz, Joachim. The Costs of Protectionism to Developing Countries: An Analysis for Selected Agricultural Products. Washington: World Bank, 1986.
Citace podle MLA (9th ed.)Zietz, Joachim. The Costs of Protectionism to Developing Countries: An Analysis for Selected Agricultural Products. World Bank, 1986.
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