Gaya APA
ASTM, . (1997).
ASTM C 1079 - 87 Standard test methods for determining the water content of freshly mixed concrete .
:
ASTM.
Gaya MLA
ASTM, .
"ASTM C 1079 - 87 Standard test methods for determining the water content of freshly mixed concrete".
:
ASTM,
1997.
Diorama.