International Potash Institute. Agricultural yield potentials in continental climates.
Chicagoスタイル(17版)引用形式International Potash Institute. Agricultural Yield Potentials in Continental Climates.
MLA(8版)引用形式International Potash Institute. Agricultural Yield Potentials in Continental Climates.
警告: この引用は必ずしも正確ではありません.