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Dyfyniad Arddull ChicagoGrenzeback, Lance R. Congestion Impacts on Business and Strategies to Mitigate Them. Washington, D.C: Transportation Research Board, National Research Council, 1995.
Dyfyniad MLAGrenzeback, Lance R. Congestion Impacts on Business and Strategies to Mitigate Them. Transportation Research Board, National Research Council, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.