APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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