APA-viite

World Health Organization. (2008). Organically produced foods. Rome: Food and Agriculture Organization of the United Nations.

Chicago-tyylinen lähdeviittaus

World Health Organization. Organically Produced Foods. Rome: Food and Agriculture Organization of the United Nations, 2008.

MLA-viite

World Health Organization. Organically Produced Foods. Rome: Food and Agriculture Organization of the United Nations, 2008.

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