Worster, D. (2001). A river running west: The life of John Wesley Powell. Oxford University Press.
Chicago-čujuhus (17. p.)Worster, Donald. A River Running West: The Life of John Wesley Powell. Oxford ; New York: Oxford University Press, 2001.
MLA-čujuhus (9. p.)Worster, Donald. A River Running West: The Life of John Wesley Powell. Oxford University Press, 2001.
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