Trích dẫn APA

Arnold, G. (1993). Soil acidification and embalanced nutrient availability in scots pine forest soils in the Netherlands. Agricultural University.

Trích dẫn kiểu Chicago

Arnold, Gert. Soil Acidification and Embalanced Nutrient Availability in Scots Pine Forest Soils in the Netherlands. Wageningen: Agricultural University, 1993.

Trích dẫn MLA

Arnold, Gert. Soil Acidification and Embalanced Nutrient Availability in Scots Pine Forest Soils in the Netherlands. Agricultural University, 1993.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.