Gaya APA
ASTM, . (1997).
ASTM D 3381-92 Standard specification for viscosity graded asphalt cement for use in pavement construction .
:
ASTM.
Gaya MLA
ASTM, .
"ASTM D 3381-92 Standard specification for viscosity graded asphalt cement for use in pavement construction".
:
ASTM,
1997.
Diorama.