APA

Law D., Williamson H. & Hudson W. (1975). Characterization of road roughness on bridge decks and the adjoining pavement. Austin, TX: Texas at Austin University. Center for Highway Research. RR nr 156-4.

Chicago

Law DB, Williamson HJ and Hudson WR. 1975. Characterization of road roughness on bridge decks and the adjoining pavement. Austin, TX: Texas at Austin University. Center for Highway Research. RR nr 156-4.

Harvard

Law D., Williamson H. and Hudson W. (1975). Characterization of road roughness on bridge decks and the adjoining pavement. Austin, TX: Texas at Austin University. Center for Highway Research. RR nr 156-4.

MLA

Law DB, Williamson HJ and Hudson WR. Characterization of road roughness on bridge decks and the adjoining pavement. Austin, TX: Texas at Austin University. Center for Highway Research. RR nr 156-4. 1975.