APA-referens

(2003). Ecological restoration of southwestern Ponderosa pine forests. Washington, D.C.,London: Island Press.

Chicago-stil citat

Ecological Restoration of Southwestern Ponderosa Pine Forests. Washington, D.C.,London: Island Press, 2003.

MLA-referens

Ecological Restoration of Southwestern Ponderosa Pine Forests. Washington, D.C.,London: Island Press, 2003.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.