FAO. (1992). FAO soils bulletin N.65: Status of cadmium, lead, cobalt and selenium in soils and plants of thirty countries. Rome: FAO.
Trích dẫn kiểu ChicagoFAO. FAO Soils Bulletin N.65: Status of Cadmium, Lead, Cobalt and Selenium in Soils and Plants of Thirty Countries. Rome: FAO, 1992.
MLA CitationFAO. FAO Soils Bulletin N.65: Status of Cadmium, Lead, Cobalt and Selenium in Soils and Plants of Thirty Countries. Rome: FAO, 1992.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.