APA-referens

(1961). Seeds: The yearbook of griculture 1961. Washington: The United State Department of Agriculture.

Chicago-stil citat

Seeds: The Yearbook of Griculture 1961. Washington: The United State Department of Agriculture, 1961.

MLA-referens

Seeds: The Yearbook of Griculture 1961. Washington: The United State Department of Agriculture, 1961.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.