Gaya APA

ASTM, . (1997). AASHTO M 33-99 (2007); ASTM S 994-98. Standard specification for preformed expansion joint filler for concrete (bituminous type) . : ASTM.

Gaya MLA

ASTM, . "AASHTO M 33-99 (2007); ASTM S 994-98. Standard specification for preformed expansion joint filler for concrete (bituminous type)". : ASTM, 1997. Diorama.