Gaya APA
ASTM, . (1997).
ASTM C 78 - 94 Standard test method for flexural strength of concrete (Using simple beam with third point loading) .
:
ASTM.
Gaya MLA
ASTM, .
"ASTM C 78 - 94 Standard test method for flexural strength of concrete (Using simple beam with third point loading)".
:
ASTM,
1997.
Diorama.