Gaya APA
UK, Department of the Environment. (1975).
TRAFFIC SIGNS MANUAL .
:
Her Majesty's Stationary Office.
Gaya Chicago
UK, Department of the Environment.
TRAFFIC SIGNS MANUAL.
:
Her Majesty's Stationary Office,
1975.
Text.
Gaya MLA
UK, Department of the Environment.
TRAFFIC SIGNS MANUAL.
:
Her Majesty's Stationary Office,
1975.
Text.
Gaya Turabian
UK, Department of the Environment.
TRAFFIC SIGNS MANUAL.
:
Her Majesty's Stationary Office,
1975.
Print.