Mitchell, J. H. (1877). The Northern Pacific, and Portland, Salt Lake and South Pass Railroads. [Government Printing Office].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMitchell, John H. The Northern Pacific, and Portland, Salt Lake and South Pass Railroads. Washington: [Government Printing Office], 1877.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMitchell, John H. The Northern Pacific, and Portland, Salt Lake and South Pass Railroads. [Government Printing Office], 1877.
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