APA-čujuhus (7. p.)

American Journal of Transportation. American Journal of Transportation.

Chicago-čujuhus (17. p.)

American Journal of Transportation. American Journal of Transportation.

MLA-čujuhus (9. p.)

American Journal of Transportation. American Journal of Transportation.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.