APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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

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