APA citiranje

Hakan Jansson. (1995). World soil resources reports N79: Status of sulphur in soils and plants of thirty countries. Rome: FAO.

Trích dẫn kiểu Chicago

Hakan Jansson. World Soil Resources Reports N79: Status of Sulphur in Soils and Plants of Thirty Countries. Rome: FAO, 1995.

MLA citiranje

Hakan Jansson. World Soil Resources Reports N79: Status of Sulphur in Soils and Plants of Thirty Countries. Rome: FAO, 1995.