Givoni, M., & de Jong, D. (2008). The role of the railways in the future of air transport. ScienceGuide.
Cita Chicago (17th ed.)Givoni, M., i D. de Jong. The Role of the Railways in the Future of Air Transport. ScienceGuide, 2008.
Cita MLA (9th ed.)Givoni, M., i D. de Jong. The Role of the Railways in the Future of Air Transport. ScienceGuide, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.