Ilvessalo, Y. (1949). The forests of present-day Finland: A description based on the national forest surveys.
Chicago-Zitierstil (17. Ausg.)Ilvessalo, Yrjö. The Forests of Present-day Finland: A Description Based on the National Forest Surveys. Helsinki, 1949.
MLA-Zitierstil (9. Ausg.)Ilvessalo, Yrjö. The Forests of Present-day Finland: A Description Based on the National Forest Surveys. 1949.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.