Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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

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