(1984). Organic farming: Current technology and its role in a sustainable agriculture. Madison, USA: American Society of Agronomy.
Chicago-stil citatOrganic Farming: Current Technology and Its Role in a Sustainable Agriculture. Madison, USA: American Society of Agronomy, 1984.
MLA-referensOrganic 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.