Alcorn, R. L. (1977). Last trail to Bear Paw: Flight of the Nez Perces, 1877. Western Media Printing and Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAlcorn, Rowena L. Last Trail to Bear Paw: Flight of the Nez Perces, 1877. Tacoma, Wash.: Western Media Printing and Publications, 1977.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAlcorn, Rowena L. Last Trail to Bear Paw: Flight of the Nez Perces, 1877. Western Media Printing and Publications, 1977.
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