Quispe Guanca, J. L. (2007). Characterization of the environmental and productive impact of the different coffee certification standars in Costa Rica.
シカゴスタイル引用形Quispe Guanca, José L. Characterization of the Environmental and Productive Impact of the Different Coffee Certification Standars in Costa Rica. 2007.
MLA引用形式Quispe Guanca, José L. Characterization of the Environmental and Productive Impact of the Different Coffee Certification Standars in Costa Rica. 2007.
警告: この引用は必ずしも正確ではありません.