(2002). Global agro-ecological assessment for agriculture in the twenty-first century. [s.l]: FAO, International Institute for Applied Systems Analysis.
Παραπομπή Chicago StyleGlobal Agro-ecological Assessment for Agriculture in the Twenty-first Century. [s.l]: FAO, International Institute for Applied Systems Analysis, 2002.
Παραπομπή MLAGlobal Agro-ecological Assessment for Agriculture in the Twenty-first Century. [s.l]: FAO, International Institute for Applied Systems Analysis, 2002.
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