Williams, G. (1990). Establishing an effective economic regulatory policy for the European airline industry.
Chicagoスタイル(17版)引用形式Williams, George. Establishing an Effective Economic Regulatory Policy for the European Airline Industry. 1990.
MLA(8版)引用形式Williams, George. Establishing an Effective Economic Regulatory Policy for the European Airline Industry. 1990.
警告: この引用は必ずしも正確ではありません.