Travis, R. (2001). Air transport liberalisation in the European Community 1987-1992: A case of integration. Uppsala University.
Chicagoスタイル(17版)引用形式Travis, Robin. Air Transport Liberalisation in the European Community 1987-1992: A Case of Integration. Uppsala: Uppsala University, 2001.
MLA(8版)引用形式Travis, Robin. Air Transport Liberalisation in the European Community 1987-1992: A Case of Integration. Uppsala University, 2001.
警告: この引用は必ずしも正確ではありません.