Gaya APA
ASTM, . (1997).
ASTM C 989 - 95 Standard specification for ground garanulated blast - furnace slag for use in concrete and mortars .
:
ASTM.
Gaya MLA
ASTM, .
"ASTM C 989 - 95 Standard specification for ground garanulated blast - furnace slag for use in concrete and mortars".
:
ASTM,
1997.
Diorama.