Gaya APA

AASHTO, . (2004). AASHTO M 227-97 (2001) , ASTM A 663/A 663M-89 (2000) Standard Specification for Steel Bars, Carbon, Merchant Quality, Mechanical Properties . : s.n..

Gaya MLA

AASHTO, . "AASHTO M 227-97 (2001) , ASTM A 663/A 663M-89 (2000) Standard Specification for Steel Bars, Carbon, Merchant Quality, Mechanical Properties". : s.n., 2004. Diorama.