Ilvessalo, Y. (1924). The forests of Finland: The forest resources and the condition of the forests ; (a paper discussing the main results of the general forest survey).
Chicago-Zitierstil (17. Ausg.)Ilvessalo, Yrjö. The Forests of Finland: The Forest Resources and the Condition of the Forests ; (a Paper Discussing the Main Results of the General Forest Survey). Helsinki, 1924.
MLA-Zitierstil (9. Ausg.)Ilvessalo, Yrjö. The Forests of Finland: The Forest Resources and the Condition of the Forests ; (a Paper Discussing the Main Results of the General Forest Survey). 1924.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.