Não informado. (2022). Research Note RM. Rocky Mountain Forest and Range Experiment Station.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Research Note RM. Fort Collins, Colo: Rocky Mountain Forest and Range Experiment Station, 2022.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Research Note RM. Rocky Mountain Forest and Range Experiment Station, 2022.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.