Gaya APA
Gwilliam, K. M.. (1975).
Economics and transport policy (text).
London:
George Allen & Unwin.
Gaya Chicago
Gwilliam, K. M..
Economics and transport policy.
text
London:
George Allen & Unwin,
1975.
.
Gaya MLA
Gwilliam, K. M..
Economics and transport policy.
text
London:
George Allen & Unwin,
1975.
.
Gaya Turabian
Gwilliam, K. M..
Economics and transport policy.
text
London:
George Allen & Unwin,
1975.
.