Gaya APA
ARRB, . (1974).
The 7th Conference of the Australian Road Research Board, proceedings volume 7, part 3 Transport economics .
:
ARRB.
Gaya MLA
ARRB, .
"The 7th Conference of the Australian Road Research Board, proceedings volume 7, part 3 Transport economics".
:
ARRB,
1974.
Filmstrip.