Organization for Economic Cooperation and Development. (1977). Transport requirements for urban communities. Organisation for Economic Co-operation and Development.
Dyfyniad Arddull ChicagoOrganization for Economic Cooperation and Development. Transport Requirements for Urban Communities. Paris: Organisation for Economic Co-operation and Development, 1977.
Dyfyniad MLAOrganization for Economic Cooperation and Development. Transport Requirements for Urban Communities. Organisation for Economic Co-operation and Development, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.