Gaya APA

Hudson, W. R.. (1979). Outline of a generalized road roughness index for worldwide use . : TRB.

Gaya Chicago

Hudson, W. R.. Outline of a generalized road roughness index for worldwide use. : TRB, 1979. Computer Software.

Gaya MLA

Hudson, W. R.. Outline of a generalized road roughness index for worldwide use. : TRB, 1979. Computer Software.

Gaya Turabian

Hudson, W. R.. Outline of a generalized road roughness index for worldwide use. : TRB, 1979. Computer Software.