bamford, G. (1980). Geography of transport. Controller of pub.
Chicago-čujuhus (17. p.)bamford, G. Geography of Transport. NULL: Controller of pub, 1980.
MLA-čujuhus (9. p.)bamford, G. Geography of Transport. Controller of pub, 1980.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.