Norman W Hudson. (2004). Soil and water conservation in semi-arid areas- FAO soils bulletin. FAO.
Chicago Edition CitationNorman W Hudson. Soil and Water Conservation in Semi-arid Areas- FAO Soils Bulletin. FAO, 2004.
Cita MLANorman W Hudson. Soil and Water Conservation in Semi-arid Areas- FAO Soils Bulletin. FAO, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.