Gaya APA
Concrete Bridges. (1973).
England:
Surrey University Press.
Gaya Chicago
Concrete Bridges.
Cet.1.
England:
Surrey University Press,
1973.
.
Gaya MLA
Concrete Bridges.
Cet.1.
England:
Surrey University Press,
1973.
.
Gaya Turabian
Concrete Bridges.
England:
Surrey University Press,
1973.
.