APA-referens

Winiwarter, V. (2012). The challenge of sustaining soils. Interdisciplinary perspectives 1.

Chicago-stil citat

Winiwarter, Verena. "The Challenge of Sustaining Soils." Interdisciplinary Perspectives 1 2012.

MLA-referens

Winiwarter, Verena. "The Challenge of Sustaining Soils." Interdisciplinary Perspectives 1 2012.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.