O'Donnell, T. (1991). An arrow in the earth: General Joel Palmer and the Indians of Oregon. Oregon Historical Society Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रO'Donnell, Terence. An Arrow in the Earth: General Joel Palmer and the Indians of Oregon. Portland, OR: Oregon Historical Society Press, 1991.
एमएलए (8वां संस्करण) प्रशस्ति पत्रO'Donnell, Terence. An Arrow in the Earth: General Joel Palmer and the Indians of Oregon. Oregon Historical Society Press, 1991.
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