Gaya APA

AASHTO, . (2004). AASHTO M 198 - 03; ASTM C 990 - 01a Standard specification for joints for concrete pipe, manholes, and precast box sections using preformed flexible joint sealants . : AASHTO.

Gaya MLA

AASHTO, . "AASHTO M 198 - 03; ASTM C 990 - 01a Standard specification for joints for concrete pipe, manholes, and precast box sections using preformed flexible joint sealants". : AASHTO, 2004. Diorama.