Ficken, R. E. (1987). The forested land: A history of lumbering in western Washington. Forest History Society ; University of Washington Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFicken, Robert E. The Forested Land: A History of Lumbering in Western Washington. Durham, N.C. : Seattle: Forest History Society ; University of Washington Press, 1987.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFicken, Robert E. The Forested Land: A History of Lumbering in Western Washington. Forest History Society ; University of Washington Press, 1987.
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