APA-referens

(2007). Soil biological fertility: A key to sustainable land use in agriculture. Boston: Kluwer Academic Publishers.

Chicago-stil citat

Soil Biological Fertility: A Key to Sustainable Land Use in Agriculture. Boston: Kluwer Academic Publishers, 2007.

MLA-referens

Soil Biological Fertility: A Key to Sustainable Land Use in Agriculture. Boston: Kluwer Academic Publishers, 2007.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.