APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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

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