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.
Cita Chicago (17th ed.)National 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.
Cita MLA (9th ed.)National 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.
Atenció: Aquestes cites poden no estar 100% correctes.