Gaya APA
Harrison, Anthony. (2017).
The Economics of transport appraisal .
London-New York:
Croom Helm.
Gaya Chicago
Harrison, Anthony.
The Economics of transport appraisal.
London-New York:
Croom Helm,
2017.
Buku.
Gaya MLA
Harrison, Anthony.
The Economics of transport appraisal.
London-New York:
Croom Helm,
2017.
Buku.
Gaya Turabian
Harrison, Anthony.
The Economics of transport appraisal.
London-New York:
Croom Helm,
2017.
Buku.