Gaya APA

Officials, T, A, A, O, S, H, A, T. (1982). Standard specifications for transportation materials and methods of sampling and testing: specifications (I) . Washington: (AASHTO).

Gaya MLA

Officials, The, American, Association, Of, State, Highway, And, Transportation. "Standard specifications for transportation materials and methods of sampling and testing: specifications (I)". Washington: (AASHTO), 1982. Text.