Cita APA

Zietz, J. 1., & Valdés, A. n. (1986). The costs of protectionism to developing countries: An analysis for selected agricultural products. Washington, D.C.: The World Bank..

Citación estilo Chicago

Zietz, Joachim 1953-, y Alberto n.1935 Valdés. The Costs of Protectionism to Developing Countries: An Analysis for Selected Agricultural Products. Washington, D.C.: The World Bank., 1986.

Cita MLA

Zietz, Joachim 1953-, y Alberto n.1935 Valdés. The Costs of Protectionism to Developing Countries: An Analysis for Selected Agricultural Products. Washington, D.C.: The World Bank., 1986.