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