Cita APA (7a ed.)
Valdés, A., & Zietz, J. (1979). Food security for developing countries: A financial approach to compensate for food import fluctuations. International Food Policy Research Institute.
Cita Chicago Style (17a ed.)
Valdés, Alberto, y Joachim Zietz. Food Security for Developing Countries: A Financial Approach to Compensate for Food Import Fluctuations. International Food Policy Research Institute, 1979.
Cita MLA (9a ed.)
Valdés, Alberto, y Joachim Zietz. Food Security for Developing Countries: A Financial Approach to Compensate for Food Import Fluctuations. International Food Policy Research Institute, 1979.
Precaución: Estas citas no son 100% exactas.