एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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