Affleck, E. L. (2000). A century of paddlewheelers in the Pacific Northwest, the Yukon and Alaska. Alexander Nicolls Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAffleck, Edward L. A Century of Paddlewheelers in the Pacific Northwest, the Yukon and Alaska. Vancouver, B.C.: Alexander Nicolls Press, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAffleck, Edward L. A Century of Paddlewheelers in the Pacific Northwest, the Yukon and Alaska. Alexander Nicolls Press, 2000.
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