Utley, R. M. (2003). The Indian frontier, 1846-1890 (Revised edition.). University of New Mexico Press.
Lua i Stíl Chicago (17ú heag.)Utley, Robert M. The Indian Frontier, 1846-1890. Revised edition. Albuquerque, New Mexico: University of New Mexico Press, 2003.
Lua MLA (9ú heag.)Utley, Robert M. The Indian Frontier, 1846-1890. Revised edition. University of New Mexico Press, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.