Franklin, J. F. (1961). A guide to seedling identification for 25 conifers of the Pacific Northwest. Pacific Northwest Forest and Range Experiment Station.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFranklin, Jerry F. A Guide to Seedling Identification for 25 Conifers of the Pacific Northwest. Portland, Or.: Pacific Northwest Forest and Range Experiment Station, 1961.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFranklin, Jerry F. A Guide to Seedling Identification for 25 Conifers of the Pacific Northwest. Pacific Northwest Forest and Range Experiment Station, 1961.
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