National Research Council (U.S.). Highway Research Board & Engineering Foundation (U.S.). (1974). Issues in public transportation: Proceedings of a conference. National Research Council,Transportation Research Board.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Research Council (U.S.). Highway Research Board और Engineering Foundation (U.S.). Issues in Public Transportation: Proceedings of a Conference. Washington, D.C: National Research Council,Transportation Research Board, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Research Council (U.S.). Highway Research Board और Engineering Foundation (U.S.). Issues in Public Transportation: Proceedings of a Conference. National Research Council,Transportation Research Board, 1974.
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