APA-referens

(2009). SOIL ECOLOGY IN SUSTAINABLE AGRICULTURAL SYSTEMS. CRC Press.

Chicago-stil citat

SOIL ECOLOGY IN SUSTAINABLE AGRICULTURAL SYSTEMS. CRC Press, 2009.

MLA-referens

SOIL ECOLOGY IN SUSTAINABLE AGRICULTURAL SYSTEMS. CRC Press, 2009.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.