National Research Council (U.S.). Highway Research Board. (1973). Transit planning and development: 7 reports prepared for the 52nd annual meeting. National Academy of Science - National Research Council.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Research Council (U.S.). Highway Research Board. Transit Planning and Development: 7 Reports Prepared for the 52nd Annual Meeting. Washington, D.C: National Academy of Science - National Research Council, 1973.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Research Council (U.S.). Highway Research Board. Transit Planning and Development: 7 Reports Prepared for the 52nd Annual Meeting. National Academy of Science - National Research Council, 1973.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.