Walker, D. E. (1964). A survey of Nez Perce religion. Board of National Missions, United Presbyterian Church in the U.S.A..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWalker, Deward E. A Survey of Nez Perce Religion. New York: Board of National Missions, United Presbyterian Church in the U.S.A., 1964.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWalker, Deward E. A Survey of Nez Perce Religion. Board of National Missions, United Presbyterian Church in the U.S.A., 1964.
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