APA aipamena

FAO. (1991). FAO soils bulletin N.58: Guidelines: land evalution for extensive grazing. Rome: FAO.

Chicago Style aipamena

FAO. FAO Soils Bulletin N.58: Guidelines: Land Evalution for Extensive Grazing. Rome: FAO, 1991.

MLA aipamena

FAO. FAO Soils Bulletin N.58: Guidelines: Land Evalution for Extensive Grazing. Rome: FAO, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.