Gaya APA
ASTM, . (1997).
ASTM D 4586 - 93 ; ASTM D 4586 - 00Standard specification for asphalt roof cement, asbestos free .
:
ASTM.
Gaya MLA
ASTM, .
"ASTM D 4586 - 93 ; ASTM D 4586 - 00Standard specification for asphalt roof cement, asbestos free".
:
ASTM,
1997.
Diorama.