Railroad History. Railway & Locomotive Historical Society (R&LHS).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRailroad History. Railway & Locomotive Historical Society (R&LHS).
एमएलए (9वां संस्करण) प्रशस्ति पत्रRailroad History. Railway & Locomotive Historical Society (R&LHS).
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.