Travis, R. (2001). Air transport liberalisation in the European Community 1987-1992: A case of integration. Uppsala University.
Dyfyniad Arddull ChicagoTravis, Robin. Air Transport Liberalisation in the European Community 1987-1992: A Case of Integration. Uppsala: Uppsala University, 2001.
Dyfyniad MLATravis, Robin. Air Transport Liberalisation in the European Community 1987-1992: A Case of Integration. Uppsala University, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.