Underhill, R. (1944). Indians of the Pacific Northwest. Education Division of the U.S. Office of Indian Affairs.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnderhill, Ruth. Indians of the Pacific Northwest. [Washington]: Education Division of the U.S. Office of Indian Affairs, 1944.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnderhill, Ruth. Indians of the Pacific Northwest. Education Division of the U.S. Office of Indian Affairs, 1944.
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