Não informado. (1972). General Technical Report RM. Rocky Mountain Forest and Range Experiment Station.
Citação do estilo Chicago (17ª ed.)Não informado. General Technical Report RM. Fort Collins, Colo: Rocky Mountain Forest and Range Experiment Station, 1972.
Citação MLA (8ª ed.)Não informado. General Technical Report RM. Rocky Mountain Forest and Range Experiment Station, 1972.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.