Não informado. (2022). US Forest Service Research Paper RM. Rocky Mountain Forest and Range Experimemt Station.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. US Forest Service Research Paper RM. Fort Collins, Colo: Rocky Mountain Forest and Range Experimemt Station, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. US Forest Service Research Paper RM. Rocky Mountain Forest and Range Experimemt Station, 2022.
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