Gaya APA

AASHTO, . (2004). AASHTO M 86M-98 (2002) , ASTM C 14M-99 Standard Specification for Concrete Sewer, Storm Drain, and Culvert Pipe (Metric) . : s.n..

Gaya MLA

AASHTO, . "AASHTO M 86M-98 (2002) , ASTM C 14M-99 Standard Specification for Concrete Sewer, Storm Drain, and Culvert Pipe (Metric)". : s.n., 2004. Diorama.