Goble, D., & Hirt, P. W. (1999). Northwest lands, northwest peoples: Readings in environmental history. University of Washington Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGoble, Dale, और Paul W. Hirt. Northwest Lands, Northwest Peoples: Readings in Environmental History. Seattle, Wash.,: University of Washington Press, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGoble, Dale, और Paul W. Hirt. Northwest Lands, Northwest Peoples: Readings in Environmental History. University of Washington Press, 1999.
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