Gaya APA
AASHTO, . (2007).
AASHTO LRFD Section 11 - Index Bridge Design Spesifications (SI Units 4th Edition 2007) .
Washington:
AASHTO.
Gaya MLA
AASHTO, .
"AASHTO LRFD Section 11 - Index Bridge Design Spesifications (SI Units 4th Edition 2007)".
Washington:
AASHTO,
2007.
Text.