Mills, R. V. (1950). Railroads down the valleys: Some short lines of the Oregon country. Pacific Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMills, Randall Vause. Railroads Down the Valleys: Some Short Lines of the Oregon Country. Palo Alto, Calif.: Pacific Books, 1950.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMills, Randall Vause. Railroads Down the Valleys: Some Short Lines of the Oregon Country. Pacific Books, 1950.
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