Não informado. (2009). FAO Statistical Yearbook. Food and Agriculture Organization of the United Nations.
Chicago-Zitierstil (17. Ausg.)Não informado. FAO Statistical Yearbook. Rome: Food and Agriculture Organization of the United Nations, 2009.
MLA-Zitierstil (8. Ausg.)Não informado. FAO Statistical Yearbook. Food and Agriculture Organization of the United Nations, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.