Pierce, J. T. (1995). System-specific spare rail vehicle ratios. Transportation Research Board, National Academy Press.
Citazione stile Chigago Style (17a edizione)Pierce, Judith T. System-specific Spare Rail Vehicle Ratios. Washington, D.C: Transportation Research Board, National Academy Press, 1995.
Citatione MLA (9a ed.)Pierce, Judith T. System-specific Spare Rail Vehicle Ratios. Transportation Research Board, National Academy Press, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.