(1984). Organic farming: Current technology and its role in a sustainable agriculture. Madison, USA: American Society of Agronomy.
استشهاد بنمط شيكاغوOrganic Farming: Current Technology and Its Role in a Sustainable Agriculture. Madison, USA: American Society of Agronomy, 1984.
MLA استشهادOrganic Farming: Current Technology and Its Role in a Sustainable Agriculture. Madison, USA: American Society of Agronomy, 1984.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.