Gaya APA
AASHTO, . (2008).
AASHTO M 291-06 , ASTM A 563-04a. Standard Specification for Carbon and Alloy Steel Nuts .
:
AASHTO.
Gaya MLA
AASHTO, .
"AASHTO M 291-06 , ASTM A 563-04a. Standard Specification for Carbon and Alloy Steel Nuts".
:
AASHTO,
2008.
Diorama.