Gaya APA
AASHTO, . (2004).
AASHTO M 80-87 ( 2003) Standard Specification for Coarse Aggregate for Portland Cement Concrete .
:
s.n..
Gaya MLA
AASHTO, .
"AASHTO M 80-87 ( 2003) Standard Specification for Coarse Aggregate for Portland Cement Concrete".
:
s.n.,
2004.
Diorama.