Não informado. (1970). Annual fertilizer review. Food and Agriculture Organization of the United Nations.
Chicagoスタイル(17版)引用形式Não informado. Annual Fertilizer Review. Rome: Food and Agriculture Organization of the United Nations, 1970.
MLA(8版)引用形式Não informado. Annual Fertilizer Review. Food and Agriculture Organization of the United Nations, 1970.
警告: この引用は必ずしも正確ではありません.