Gaya APA
Walker,p, ., Melbourne, C. (1995).
Arch bridges : Proceedings of the fist International conference on arch bridges (^a1 ^bJilid 1).
New York:
Thomas Telford.
Gaya MLA
Walker,p, ., Melbourne, C..
"Arch bridges : Proceedings of the fist International conference on arch bridges".
^a1 ^bJilid 1
New York:
Thomas Telford,
1995.
.