Gaya APA
Roberts, C. (2008).
Design Guide for Road Surface Dressing (6th).
United Kingdom:
TRL.
Gaya Chicago
Roberts, C.
Design Guide for Road Surface Dressing.
6th
United Kingdom:
TRL,
2008.
Text.
Gaya MLA
Roberts, C.
Design Guide for Road Surface Dressing.
6th
United Kingdom:
TRL,
2008.
Text.
Gaya Turabian
Roberts, C.
Design Guide for Road Surface Dressing.
6th
United Kingdom:
TRL,
2008.
Print.