FAO. (1991). World soil resources reports N.71: Agro-ecological land resources assessment for agricultural development planning. Rome: FAO.
Chicago-stil citatFAO. World Soil Resources Reports N.71: Agro-ecological Land Resources Assessment for Agricultural Development Planning. Rome: FAO, 1991.
MLA-referensFAO. World Soil Resources Reports N.71: Agro-ecological Land Resources Assessment for Agricultural Development Planning. Rome: FAO, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.