Dyfyniad APA

Kuper, J. (1994). Sustainable development of scots pine forests. Wageningen Agricultural University.

Dyfyniad Arddull Chicago

Kuper, J.H. Sustainable Development of Scots Pine Forests. Netherlands: Wageningen Agricultural University, 1994.

Dyfyniad MLA

Kuper, J.H. Sustainable Development of Scots Pine Forests. Wageningen Agricultural University, 1994.

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