Layman, W. D. (2002). Native river: The Columbia remembered : Priest Rapids to the international boundary. Washington State University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLayman, William D. Native River: The Columbia Remembered : Priest Rapids to the International Boundary. Pullman: Washington State University Press, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLayman, William D. Native River: The Columbia Remembered : Priest Rapids to the International Boundary. Washington State University Press, 2002.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.