F C Hummel. (1989). FAO forestry paper N.92: Forestry policies in Europe: an analysis. Rome: FAO.
シカゴスタイル引用形F C Hummel. FAO Forestry Paper N.92: Forestry Policies in Europe: An Analysis. Rome: FAO, 1989.
MLA引用形式F C Hummel. FAO Forestry Paper N.92: Forestry Policies in Europe: An Analysis. Rome: FAO, 1989.
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