Northern Journal of Applied Forestry. Society of American Foresters.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNorthern Journal of Applied Forestry. Society of American Foresters.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNorthern Journal of Applied Forestry. Society of American Foresters.
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