Krupat. Companion to James Welch's The Heartsong of Charging Elk. University of Nebraska Press.
芝加哥风格引文Krupat. Companion to James Welch's The Heartsong of Charging Elk. University of Nebraska Press.
MLA引文Krupat. Companion to James Welch's The Heartsong of Charging Elk. University of Nebraska Press.
警告：这些引文格式不一定是100％准确.