(1982). Methods for evaluation of rail-highway grade crossing improvements: Staff study report.
Cita Chicago (17th ed.)Methods for Evaluation of Rail-highway Grade Crossing Improvements: Staff Study Report. 1982.
Cita MLA (9th ed.)Methods for Evaluation of Rail-highway Grade Crossing Improvements: Staff Study Report. 1982.
Atenció: Aquestes cites poden no estar 100% correctes.