APA

Williamson H., Hudson W., . (1974). Analysis of characteristic roughness patterns in pavement and the relationship between roughness and pavement distress. Austin, TX: Texas at Austin University. Center for Highway Research. Research report nr 156-3.

Chicago

Williamson HJ, Hudson WR, . 1974. Analysis of characteristic roughness patterns in pavement and the relationship between roughness and pavement distress. Austin, TX: Texas at Austin University. Center for Highway Research. Research report nr 156-3.

Harvard

Williamson H., Hudson W., . (1974). Analysis of characteristic roughness patterns in pavement and the relationship between roughness and pavement distress. Austin, TX: Texas at Austin University. Center for Highway Research. Research report nr 156-3.

MLA

Williamson HJ, Hudson WR, . Analysis of characteristic roughness patterns in pavement and the relationship between roughness and pavement distress. Austin, TX: Texas at Austin University. Center for Highway Research. Research report nr 156-3. 1974.