Não informado. (1972). FAO documentation. Food and Agriculture Organization of the United Nations.
Chicagoスタイル(17版)引用形式Não informado. FAO Documentation. Rome: Food and Agriculture Organization of the United Nations, 1972.
MLA(8版)引用形式Não informado. FAO Documentation. Food and Agriculture Organization of the United Nations, 1972.
警告: この引用は必ずしも正確ではありません.