Krupat. Companion to James Welch's The Heartsong of Charging Elk. University of Nebraska Press.
Lua i Stíl Chicago (17ú heag.)Krupat. Companion to James Welch's The Heartsong of Charging Elk. University of Nebraska Press.
Lua MLA (9ú heag.)Krupat. Companion to James Welch's The Heartsong of Charging Elk. University of Nebraska Press.
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