Gaya APA
Plumbe, A.J.. (1981).
Transport policies in Sri Lanka and some consequences .
:
TRRL.
Gaya Chicago
Plumbe, A.J..
Transport policies in Sri Lanka and some consequences.
:
TRRL,
1981.
Chart.
Gaya MLA
Plumbe, A.J..
Transport policies in Sri Lanka and some consequences.
:
TRRL,
1981.
Chart.
Gaya Turabian
Plumbe, A.J..
Transport policies in Sri Lanka and some consequences.
:
TRRL,
1981.
Chart.