Não informado. (2019). FAO Agricultural Services Bulletin. Food and Agriculture Organization of the United Nations.
Chicago-viite (17. p.)Não informado. FAO Agricultural Services Bulletin. Rome: Food and Agriculture Organization of the United Nations, 2019.
MLA-viite (8. p.)Não informado. FAO Agricultural Services Bulletin. Food and Agriculture Organization of the United Nations, 2019.
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