Gaya APA

Smith, Harry A.. (1992). NCHRP Synthesis 180. Performance characteristics of open-graded friction cources . : TRB.

Gaya Chicago

Smith, Harry A.. NCHRP Synthesis 180. Performance characteristics of open-graded friction cources. : TRB, 1992. Art Original.

Gaya MLA

Smith, Harry A.. NCHRP Synthesis 180. Performance characteristics of open-graded friction cources. : TRB, 1992. Art Original.

Gaya Turabian

Smith, Harry A.. NCHRP Synthesis 180. Performance characteristics of open-graded friction cources. : TRB, 1992. Art Original.