Gaya APA
ASTM, . (1997).
ASTM C 1140 - 97 Standard practice for preparing and testing specimens from shotcrete test panels .
:
ASTM.
Gaya MLA
ASTM, .
"ASTM C 1140 - 97 Standard practice for preparing and testing specimens from shotcrete test panels".
:
ASTM,
1997.
Diorama.