Eastern Washington State Historical Society. (1977). Viewing the past: An interpretive guidebook. Eastern Washington State Historical Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEastern Washington State Historical Society. Viewing the Past: An Interpretive Guidebook. Spokane: Eastern Washington State Historical Society, 1977.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEastern Washington State Historical Society. Viewing the Past: An Interpretive Guidebook. Eastern Washington State Historical Society, 1977.
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