Webber, B. (1992). Indians along the Oregon Trail: The tribes of Nebraska, Wyoming, Idaho, Oregon, and Washington identified (Expanded ed.). Webb Research Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWebber, Bert. Indians Along the Oregon Trail: The Tribes of Nebraska, Wyoming, Idaho, Oregon, and Washington Identified. Expanded ed. Medford, Or.: Webb Research Group, 1992.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWebber, Bert. Indians Along the Oregon Trail: The Tribes of Nebraska, Wyoming, Idaho, Oregon, and Washington Identified. Expanded ed. Webb Research Group, 1992.
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