Utley, R. M. (2003). The Indian frontier, 1846-1890 (Revised edition.). University of New Mexico Press.
Chicago-čujuhus (17. p.)Utley, Robert M. The Indian Frontier, 1846-1890. Revised edition. Albuquerque, New Mexico: University of New Mexico Press, 2003.
MLA-čujuhus (9. p.)Utley, Robert M. The Indian Frontier, 1846-1890. Revised edition. University of New Mexico Press, 2003.
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