Gaya APA
Proceedings part 1 design and construction, volume 90. (1991).
:
Thomas Telford.
Gaya Chicago
Proceedings part 1 design and construction, volume 90.
.
:
Thomas Telford,
1991.
Text.
Gaya MLA
Proceedings part 1 design and construction, volume 90.
.
:
Thomas Telford,
1991.
Text.
Gaya Turabian
Proceedings part 1 design and construction, volume 90.
:
Thomas Telford,
1991.
Print.