Krupat. Companion to James Welch's The Heartsong of Charging Elk. University of Nebraska Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKrupat. Companion to James Welch's The Heartsong of Charging Elk. University of Nebraska Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKrupat. Companion to James Welch's The Heartsong of Charging Elk. University of Nebraska Press.
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