World Health Organization. (2008). Organically produced foods. Rome: Food and Agriculture Organization of the United Nations.
Trích dẫn kiểu ChicagoWorld Health Organization. Organically Produced Foods. Rome: Food and Agriculture Organization of the United Nations, 2008.
MLA CitationWorld Health Organization. Organically Produced Foods. Rome: Food and Agriculture Organization of the United Nations, 2008.
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