Etulain, R. W. (2013). Lincoln and Oregon country politics in the Civil War era. Oregon State University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEtulain, Richard W. Lincoln and Oregon Country Politics in the Civil War Era. Corvallis: Oregon State University Press, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEtulain, Richard W. Lincoln and Oregon Country Politics in the Civil War Era. Oregon State University Press, 2013.
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