Yang, Y. (2005). Africa in the Doha Round: Dealing with Preference Erosion and Beyond. International Monetary Fund.
Citace podle Chicago (17th ed.)Yang, Yongzheng. Africa in the Doha Round: Dealing with Preference Erosion and Beyond. Washington, D.C.: International Monetary Fund, 2005.
Citace podle MLA (8th ed.)Yang, Yongzheng. Africa in the Doha Round: Dealing with Preference Erosion and Beyond. International Monetary Fund, 2005.
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