Chicago, Burlington & Quincy Railroad Company, Great Northern Railway Company (U.S.), & Northern Pacific Railway Company. (1924). Treasure lands of the Pacific Northwest. Chicago Burlington & Quincy Railroad.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChicago, Burlington & Quincy Railroad Company, Great Northern Railway Company (U.S.), और Northern Pacific Railway Company. Treasure Lands of the Pacific Northwest. [Chicago, Ill.]: Chicago Burlington & Quincy Railroad, 1924.
एमएलए (8वां संस्करण) प्रशस्ति पत्रChicago, Burlington & Quincy Railroad Company, et al. Treasure Lands of the Pacific Northwest. Chicago Burlington & Quincy Railroad, 1924.
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