Timmen, F. (1973). Blow for the landing: A hundred years of steam navigation on the waters of the West. Caxton Printers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTimmen, Fritz. Blow for the Landing: A Hundred Years of Steam Navigation on the Waters of the West. Caldwell, Idaho: Caxton Printers, 1973.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTimmen, Fritz. Blow for the Landing: A Hundred Years of Steam Navigation on the Waters of the West. Caxton Printers, 1973.
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