Gaya APA
Swanson, C, P.
(1977).
**Bridge substructure highway engineering
.
[s.l]:
[s.l]: JICA; 1977.
Gaya MLA
Swanson, Carl, P..
"**Bridge substructure highway engineering".
[s.l]:
[s.l]: JICA; 1977,
1977.
Text.