Franklin, J. F. (1961). A guide to seedling identification for 25 conifers of the Pacific Northwest. Pacific Northwest Forest and Range Experiment Station.
Cita Chicago Style (17a ed.)Franklin, Jerry F. A Guide to Seedling Identification for 25 Conifers of the Pacific Northwest. Portland, Or.: Pacific Northwest Forest and Range Experiment Station, 1961.
Cita MLA (8a ed.)Franklin, Jerry F. A Guide to Seedling Identification for 25 Conifers of the Pacific Northwest. Pacific Northwest Forest and Range Experiment Station, 1961.
Precaución: Estas citas no son 100% exactas.