United Nations Economic Commission for Europe. (1983). Efficient use of fertilizers in agriculture. New York: The United Nations.
シカゴスタイル引用形United Nations Economic Commission for Europe. Efficient Use of Fertilizers in Agriculture. New York: The United Nations, 1983.
MLA引用形式United Nations Economic Commission for Europe. Efficient Use of Fertilizers in Agriculture. New York: The United Nations, 1983.
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