Millard, C., & Michael, P. (2005). The river of doubt: Theodore roosevelt's darkest journey (Unabridged.). Random House Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMillard, Candice, और Paul Michael. The River of Doubt: Theodore Roosevelt's Darkest Journey. Unabridged. New York: Random House Audio, 2005.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMillard, Candice, और Paul Michael. The River of Doubt: Theodore Roosevelt's Darkest Journey. Unabridged. Random House Audio, 2005.
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