International Conference on Main Line Railway Electrification, University of York, Institution of Civil Engineers (Great Britain), & Institution of Electrical Engineers (Great Britain). (1989). International Conference on Main Line Railway Electrification, 25-28 September,1989. Institution of Electrical Engineers.
Cita Chicago (17th ed.)International Conference on Main Line Railway Electrification, University of York, Institution of Civil Engineers (Great Britain), i Institution of Electrical Engineers (Great Britain). International Conference on Main Line Railway Electrification, 25-28 September,1989. London: Institution of Electrical Engineers, 1989.
Cita MLA (8th ed.)International Conference on Main Line Railway Electrification, University of York, et al. International Conference on Main Line Railway Electrification, 25-28 September,1989. Institution of Electrical Engineers, 1989.