Givoni, M., & de Jong, D. (2008). The role of the railways in the future of air transport. ScienceGuide.
Chicago-čujuhus (17. p.)Givoni, M., juo D. de Jong. The Role of the Railways in the Future of Air Transport. ScienceGuide, 2008.
MLA-čujuhus (9. p.)Givoni, M., juo D. de Jong. The Role of the Railways in the Future of Air Transport. ScienceGuide, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.