Gaya APA
Robinson, R.. (1976).
Road transport investment model: draft user manual .
:
TRRL.
Gaya Chicago
Robinson, R..
Road transport investment model: draft user manual.
:
TRRL,
1976.
Text.
Gaya MLA
Robinson, R..
Road transport investment model: draft user manual.
:
TRRL,
1976.
Text.
Gaya Turabian
Robinson, R..
Road transport investment model: draft user manual.
:
TRRL,
1976.
Print.