APA-referens

(1983). Using our natural resources: 1983 yearbook of agriculture. [New York]: United states department of agriculture.

Chicago-stil citat

Using Our Natural Resources: 1983 Yearbook of Agriculture. [New York]: United states department of agriculture, 1983.

MLA-referens

Using Our Natural Resources: 1983 Yearbook of Agriculture. [New York]: United states department of agriculture, 1983.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.