Schwantes, C. A. (2000). Columbia River: Gateway to the West. Columbia River Maritime Museum ; University of Idaho Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchwantes, Carlos A. Columbia River: Gateway to the West. Astoria, Or. : Moscow, Idaho: Columbia River Maritime Museum ; University of Idaho Press, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSchwantes, Carlos A. Columbia River: Gateway to the West. Columbia River Maritime Museum ; University of Idaho Press, 2000.
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