Kreitzer, M. E. (2000). The Washakie Letters of Willie Ottogary. Utah State University, University Libraries.
Chicago-čujuhus (17. p.)Kreitzer, Matthew E. The Washakie Letters of Willie Ottogary. Utah State University, University Libraries, 2000.
MLA-čujuhus (9. p.)Kreitzer, Matthew E. The Washakie Letters of Willie Ottogary. Utah State University, University Libraries, 2000.
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