Kuper, J. (1994). Sustainable development of scots pine forests. Wageningen Agricultural University.
Chicago Edition CitationKuper, J.H. Sustainable Development of Scots Pine Forests. Netherlands: Wageningen Agricultural University, 1994.
ציטוט MLAKuper, J.H. Sustainable Development of Scots Pine Forests. Wageningen Agricultural University, 1994.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.