Hales, J. (2005). Shooting Polaris: A personal survey in the American West. University of Missouri Press.
Lua i Stíl Chicago (17ú heag.)Hales, John. Shooting Polaris: A Personal Survey in the American West. Columbia: University of Missouri Press, 2005.
Lua MLA (9ú heag.)Hales, John. Shooting Polaris: A Personal Survey in the American West. University of Missouri Press, 2005.
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