Ramsey, B. (1962). PGE, railway to the north. Mitchell Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRamsey, Bruce. PGE, Railway to the North. Vancouver: Mitchell Press, 1962.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRamsey, Bruce. PGE, Railway to the North. Mitchell Press, 1962.
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