APA-referens

(1984). Organic farming: Current technology and its role in a sustainable agriculture. Madison, USA: American Society of Agronomy.

Chicago-stil citat

Organic Farming: Current Technology and Its Role in a Sustainable Agriculture. Madison, USA: American Society of Agronomy, 1984.

MLA-referens

Organic Farming: Current Technology and Its Role in a Sustainable Agriculture. Madison, USA: American Society of Agronomy, 1984.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.