Gaya APA
Porter, J.. (1977).
Energy for road transport in the United Kingdom .
:
TRRL.
Gaya Chicago
Porter, J..
Energy for road transport in the United Kingdom.
:
TRRL,
1977.
Chart.
Gaya MLA
Porter, J..
Energy for road transport in the United Kingdom.
:
TRRL,
1977.
Chart.
Gaya Turabian
Porter, J..
Energy for road transport in the United Kingdom.
:
TRRL,
1977.
Chart.