Gaya APA
ASTM, . (1997).
ASTM D 3746 - 85 ; ASTM D 3746 - 85 (Reapproved 2002) Standard test method for impact resistance of bituminous roofing systems .
:
ASTM.
Gaya MLA
ASTM, .
"ASTM D 3746 - 85 ; ASTM D 3746 - 85 (Reapproved 2002) Standard test method for impact resistance of bituminous roofing systems".
:
ASTM,
1997.
Diorama.