Gaya APA
UK, Department of Transport. (1987).
Buried concrete box type structures .
:
s.n..
Gaya Chicago
UK, Department of Transport.
Buried concrete box type structures.
:
s.n.,
1987.
Art Original.
Gaya MLA
UK, Department of Transport.
Buried concrete box type structures.
:
s.n.,
1987.
Art Original.
Gaya Turabian
UK, Department of Transport.
Buried concrete box type structures.
:
s.n.,
1987.
Art Original.