एपीए उद्धरण

Jan Houdijk, J. W. (2017). Strategic planning for sustainable organic hillside agriculture with a farming system and value chain model in Nicoya, Guanacaste.

शिकागो स्टाइल उद्धरण

Jan Houdijk, Jeroen W. Strategic Planning for Sustainable Organic Hillside Agriculture With a Farming System and Value Chain Model in Nicoya, Guanacaste. 2017.

एमएलए उद्धरण

Jan Houdijk, Jeroen W. Strategic Planning for Sustainable Organic Hillside Agriculture With a Farming System and Value Chain Model in Nicoya, Guanacaste. 2017.