Organisation for Economic Co-operation and Development. (1979). Traffic measurement methods for urban and suburban areas: A report. Organisation for Economic Co-operation and Development.
Dyfyniad Arddull ChicagoOrganisation for Economic Co-operation and Development. Traffic Measurement Methods for Urban and Suburban Areas: A Report. Paris: Organisation for Economic Co-operation and Development, 1979.
Dyfyniad MLAOrganisation for Economic Co-operation and Development. Traffic Measurement Methods for Urban and Suburban Areas: A Report. Organisation for Economic Co-operation and Development, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.