Gaya APA

AASHTO, . (2004). AASHTO M 85-04 , ASTM C 150-02a Standard Specification for Portland Cement . : s.n..

Gaya MLA

AASHTO, . "AASHTO M 85-04 , ASTM C 150-02a Standard Specification for Portland Cement". : s.n., 2004. Diorama.