एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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