Gaya APA
AASHTO, . (2008).
AASHTO M 226-80 (2004) Standard Specification for Viscosity-Graded Asphalt Cement (28th).
:
AASHTO.
Gaya MLA
AASHTO, .
"AASHTO M 226-80 (2004) Standard Specification for Viscosity-Graded Asphalt Cement".
28th
:
AASHTO,
2008.
Diorama.