Gaya APA

ASTM, . (1997). ASTM C 873 - 94 Standard test method for compressive strength of concrete cylinders cast in place in cylindrical molds . : ASTM.

Gaya MLA

ASTM, . "ASTM C 873 - 94 Standard test method for compressive strength of concrete cylinders cast in place in cylindrical molds". : ASTM, 1997. Diorama.