Santos, G. (2004). Road pricing: Theory and evidence. Elsevier.
Chicago-čujuhus (17. p.)Santos, G. Road Pricing: Theory and Evidence. Elsevier, 2004.
MLA-čujuhus (9. p.)Santos, G. Road Pricing: Theory and Evidence. Elsevier, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.