Não informado. (2022). Resource Bulletin PNW. Pacific Northwest Forest and Range Experiment Station.
Citação do estilo Chicago (17ª ed.)Não informado. Resource Bulletin PNW. Portland, Ore: Pacific Northwest Forest and Range Experiment Station, 2022.
Citação MLA (8ª ed.)Não informado. Resource Bulletin PNW. Pacific Northwest Forest and Range Experiment Station, 2022.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.