Arnold, G. (1993). Soil acidification and embalanced nutrient availability in scots pine forest soils in the Netherlands. Agricultural University.
Chicago Style aipamenaArnold, Gert. Soil Acidification and Embalanced Nutrient Availability in Scots Pine Forest Soils in the Netherlands. Wageningen: Agricultural University, 1993.
MLA aipamenaArnold, Gert. Soil Acidification and Embalanced Nutrient Availability in Scots Pine Forest Soils in the Netherlands. Agricultural University, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.