Gaya APA
AASHTO, . (2008).
AASHTO M 155-87 (2000) Standard Specification for Granular Material to Control Pumping Under Concrete Pavement .
:
AASHTO.
Gaya MLA
AASHTO, .
"AASHTO M 155-87 (2000) Standard Specification for Granular Material to Control Pumping Under Concrete Pavement".
:
AASHTO,
2008.
Diorama.