World Health Organization. (2008). Organically produced foods. Rome: Food and Agriculture Organization of the United Nations.
Chicago-stil citatWorld Health Organization. Organically Produced Foods. Rome: Food and Agriculture Organization of the United Nations, 2008.
MLA-referensWorld Health Organization. Organically Produced Foods. Rome: Food and Agriculture Organization of the United Nations, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.