Gaya APA

AASHTO, . (2004). AASHTO M 57-80 ( 2000) Standard Specifications for Materials for Embankments and Subgrades . : s.n..

Gaya MLA

AASHTO, . "AASHTO M 57-80 ( 2000) Standard Specifications for Materials for Embankments and Subgrades". : s.n., 2004. Diorama.