National Research Council (U.S.). Transportation Research Board. (1979). Local rail services program: Perspectives of states and railroads. Transportation Research Board, National Academy of Sciences.
Cita Chicago (17th ed.)National Research Council (U.S.). Transportation Research Board. Local Rail Services Program: Perspectives of States and Railroads. Washington, D.C: Transportation Research Board, National Academy of Sciences, 1979.
Cita MLA (9th ed.)National Research Council (U.S.). Transportation Research Board. Local Rail Services Program: Perspectives of States and Railroads. Transportation Research Board, National Academy of Sciences, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.