C J Pearson. (1995). FAO soils bulletin: N.72: Sustainable dryland cropping in relation to soil productivity. Rome: FAO.
Trích dẫn kiểu ChicagoC J Pearson. FAO Soils Bulletin: N.72: Sustainable Dryland Cropping in Relation to Soil Productivity. Rome: FAO, 1995.
Deismireacht MLAC J Pearson. FAO Soils Bulletin: N.72: Sustainable Dryland Cropping in Relation to Soil Productivity. Rome: FAO, 1995.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.