Banister, D. (2006). The true costs of air travel.
Chicago-čujuhus (17. p.)Banister, D. The True Costs of Air Travel. 2006.
MLA-čujuhus (9. p.)Banister, D. The True Costs of Air Travel. 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.