Gaya APA

ASTM, . (1997). ASTM C 116 - 90 Standard test method for compressive strength of concrete using portions of bemas broken in flexure . : ASTM.

Gaya MLA

ASTM, . "ASTM C 116 - 90 Standard test method for compressive strength of concrete using portions of bemas broken in flexure". : ASTM, 1997. Diorama.