C J Pearson. (1995). FAO soils bulletin: N.72: Sustainable dryland cropping in relation to soil productivity. Rome: FAO.
Chicago Stili AlıntıC J Pearson. FAO Soils Bulletin: N.72: Sustainable Dryland Cropping in Relation to Soil Productivity. Rome: FAO, 1995.
MLA AlıntıC J Pearson. FAO Soils Bulletin: N.72: Sustainable Dryland Cropping in Relation to Soil Productivity. Rome: FAO, 1995.
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