Smalley, E. V. (1883). History of the Northern Pacific railroad. Putnam.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSmalley, Eugene Virgil. History of the Northern Pacific Railroad. New York: Putnam, 1883.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSmalley, Eugene Virgil. History of the Northern Pacific Railroad. Putnam, 1883.
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