Cita APA (7a ed.)
Valdés, A., & Zietz, J. (1987). Export subsidies and minimum access guarantees in agricultural trade: A developing country perspective. Elsevier.
Cita Chicago Style (17a ed.)
Valdés, Alberto, y Joachim Zietz. Export Subsidies and Minimum Access Guarantees in Agricultural Trade: A Developing Country Perspective. Elsevier, 1987.
Cita MLA (9a ed.)
Valdés, Alberto, y Joachim Zietz. Export Subsidies and Minimum Access Guarantees in Agricultural Trade: A Developing Country Perspective. Elsevier, 1987.
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