Gaya APA
ASTM, . (1997).
ASTM D 2178 - 97 Standard specification for asphalt glass felt used in roofing and waterproofing .
:
ASTM.
Gaya MLA
ASTM, .
"ASTM D 2178 - 97 Standard specification for asphalt glass felt used in roofing and waterproofing".
:
ASTM,
1997.
Diorama.