(1973). Soil Testing And Plant Analysis. Soil Science Society of Americ.
Chicagoスタイル(17版)引用形式Soil Testing And Plant Analysis. Soil Science Society of Americ, 1973.
MLA(8版)引用形式Soil Testing And Plant Analysis. Soil Science Society of Americ, 1973.
警告: この引用は必ずしも正確ではありません.