Verchere, I. (1994). The air transport industry in crisis: Solving over-capacity and financing new equipment. The Economist Intelligence Unit.
Cita Chicago (17th ed.)Verchere, Ian. The Air Transport Industry in Crisis: Solving Over-capacity and Financing New Equipment. London: The Economist Intelligence Unit, 1994.
Cita MLA (9th ed.)Verchere, Ian. The Air Transport Industry in Crisis: Solving Over-capacity and Financing New Equipment. The Economist Intelligence Unit, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.