National Research Council (U.S.). Transportation Research Board. Meeting. (2000). Railroad track engineering and maintenance; Passenger rail planning and operations. National Academy Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Research Council (U.S.). Transportation Research Board. Meeting. Railroad Track Engineering and Maintenance; Passenger Rail Planning and Operations. Washington, D.C: National Academy Press, 2000.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Research Council (U.S.). Transportation Research Board. Meeting. Railroad Track Engineering and Maintenance; Passenger Rail Planning and Operations. National Academy Press, 2000.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.