Gaya APA

AASHTO, . (2008). AASHTO M 198-08 , ASTM C 990-06. Standard Specification for Joint for Concrete Pipe, Manholes, and Precast Box Sections Using Preformed Flexible Joint Sealant (28th). : AASHTO.

Gaya MLA

AASHTO, . "AASHTO M 198-08 , ASTM C 990-06. Standard Specification for Joint for Concrete Pipe, Manholes, and Precast Box Sections Using Preformed Flexible Joint Sealant". 28th : AASHTO, 2008. Diorama.