Gaya APA
UK, Department of Transport. (1993).
Geometric design of roundabouts .
:
HMSO.
Gaya Chicago
UK, Department of Transport.
Geometric design of roundabouts.
:
HMSO,
1993.
Diorama.
Gaya MLA
UK, Department of Transport.
Geometric design of roundabouts.
:
HMSO,
1993.
Diorama.
Gaya Turabian
UK, Department of Transport.
Geometric design of roundabouts.
:
HMSO,
1993.
Diorama.