Franklin, J. F. (1961). A guide to seedling identification for 25 conifers of the Pacific Northwest. Pacific Northwest Forest and Range Experiment Station.
Style de citation Chicago (17e éd.)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.
Style de citation MLA (8e éd.)Franklin, Jerry F. A Guide to Seedling Identification for 25 Conifers of the Pacific Northwest. Pacific Northwest Forest and Range Experiment Station, 1961.
Attention : ces citations peuvent ne pas être correctes à 100%.