Não informado. (1968). Ceres. Food and Agriculture Organization of the United Nations.
Chicagoスタイル(17版)引用形式Não informado. Ceres. Rome: Food and Agriculture Organization of the United Nations, 1968.
MLA(8版)引用形式Não informado. Ceres. Food and Agriculture Organization of the United Nations, 1968.
警告: この引用は必ずしも正確ではありません.