Hakan Jansson. (1995). World soil resources reports N79: Status of sulphur in soils and plants of thirty countries. Rome: FAO.
Chicago Style CitationHakan Jansson. World Soil Resources Reports N79: Status of Sulphur in Soils and Plants of Thirty Countries. Rome: FAO, 1995.
Cita MLAHakan Jansson. World Soil Resources Reports N79: Status of Sulphur in Soils and Plants of Thirty Countries. Rome: FAO, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.