Gaya APA

AASHTO, . (2004). AASHTO M 146-91 (2000) Standard Specification for Terms Relating to Subgrade, Soil-Aggregate, and Fill Materials . : s.n..

Gaya MLA

AASHTO, . "AASHTO M 146-91 (2000) Standard Specification for Terms Relating to Subgrade, Soil-Aggregate, and Fill Materials". : s.n., 2004. Diorama.