Valdes, A., & Zietz, J. (1987). Export subsidies and minimum access guarantees in agricultural trade: A developing country perspective. International Food Policy Research Institute.
Цитирование в стиле Чикаго (17-е изд.)Valdes, Alberto, и Joachim Zietz. Export Subsidies and Minimum Access Guarantees in Agricultural Trade: A Developing Country Perspective. Washington, D.C.: International Food Policy Research Institute, 1987.
Цитирование MLA (9-е изд.)Valdes, Alberto, и Joachim Zietz. Export Subsidies and Minimum Access Guarantees in Agricultural Trade: A Developing Country Perspective. International Food Policy Research Institute, 1987.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.