McCornack, E. C. (1928). Thomas Condon: Pioneer geologist of Oregon. University of Oregon Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMcCornack, Ellen Condon. Thomas Condon: Pioneer Geologist of Oregon. Eugene, Ore.: University of Oregon Press, 1928.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMcCornack, Ellen Condon. Thomas Condon: Pioneer Geologist of Oregon. University of Oregon Press, 1928.
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