Gaya APA
TRR 511. Intercity freight movement by rail and highway. (1974).
:
TRB.
Gaya Chicago
TRR 511. Intercity freight movement by rail and highway.
.
:
TRB,
1974.
Chart.
Gaya MLA
TRR 511. Intercity freight movement by rail and highway.
.
:
TRB,
1974.
Chart.
Gaya Turabian
TRR 511. Intercity freight movement by rail and highway.
:
TRB,
1974.
Chart.