Não informado. (2022). USDA Forest Service Research Paper RM. Rocky Mountain Forest and Range Experiment Station.
Chicago-Zitierstil (17. Ausg.)Não informado. USDA Forest Service Research Paper RM. Fort Collins, Colo: Rocky Mountain Forest and Range Experiment Station, 2022.
MLA-Zitierstil (8. Ausg.)Não informado. USDA Forest Service Research Paper RM. Rocky Mountain Forest and Range Experiment Station, 2022.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.