APA引文

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

Chicago Edition Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.