Kuper, J. (1994). Sustainable development of scots pine forests. Wageningen Agricultural University.
シカゴスタイル引用形Kuper, J.H. Sustainable Development of Scots Pine Forests. Netherlands: Wageningen Agricultural University, 1994.
MLA引用形式Kuper, J.H. Sustainable Development of Scots Pine Forests. Wageningen Agricultural University, 1994.
警告: この引用は必ずしも正確ではありません.