Cita APA (7a ed.)
Valdés, A., & Zietz, J. (1980). Agricultural protection in OECD countries: Its cost to less-developed countries. International Food Policy Research Institute.
Cita Chicago Style (17a ed.)
Valdés, Alberto, y Joachim Zietz. Agricultural Protection in OECD Countries: Its Cost to Less-developed Countries. International Food Policy Research Institute, 1980.
Cita MLA (9a ed.)
Valdés, Alberto, y Joachim Zietz. Agricultural Protection in OECD Countries: Its Cost to Less-developed Countries. International Food Policy Research Institute, 1980.
Precaución: Estas citas no son 100% exactas.