Não informado. (2017). FAO Yearbook. Food and Agriculture Organization of the United Nations.
Chicago-referens (17:e uppl.)Não informado. FAO Yearbook. Roma: Food and Agriculture Organization of the United Nations, 2017.
MLA-referens (8:e uppl.)Não informado. FAO Yearbook. Food and Agriculture Organization of the United Nations, 2017.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.