Não informado. (1972). General Technical Report RM. Rocky Mountain Forest and Range Experiment Station.
Čikaški stil citiranja (17. izdanje)Não informado. General Technical Report RM. Fort Collins, Colo: Rocky Mountain Forest and Range Experiment Station, 1972.
MLA način citiranja (8. izdanje)Não informado. General Technical Report RM. Rocky Mountain Forest and Range Experiment Station, 1972.
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