Gaya APA

ASTM, . (1997). ASTM C 1231 - 93 Standard practice for use of unbonded caps in determination of compressive strength of hardened concrete cylinders . : ASTM.

Gaya MLA

ASTM, . "ASTM C 1231 - 93 Standard practice for use of unbonded caps in determination of compressive strength of hardened concrete cylinders". : ASTM, 1997. Diorama.