Robbins, W. G. (2004). Landscapes of conflict: The Oregon story, 1940-2000. University of Washington Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRobbins, William G. Landscapes of Conflict: The Oregon Story, 1940-2000. Seattle: University of Washington Press, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRobbins, William G. Landscapes of Conflict: The Oregon Story, 1940-2000. University of Washington Press, 2004.
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