Givoni, M., & de Jong, D. (2008). The role of the railways in the future of air transport. ScienceGuide.
Čikaški stil citiranja (17. izdanje)Givoni, M., i D. de Jong. The Role of the Railways in the Future of Air Transport. ScienceGuide, 2008.
MLA način citiranja (9. izdanje)Givoni, M., i D. de Jong. The Role of the Railways in the Future of Air Transport. ScienceGuide, 2008.
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