Central Electric Railfans' Association. (1951). The electric railroads of Washington State.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCentral Electric Railfans' Association. The Electric Railroads of Washington State. Chicago, 1951.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCentral Electric Railfans' Association. The Electric Railroads of Washington State. 1951.
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