APA

Henry J., Hegmon R., . (1974). Pavement texture measurement and evaluation. University Park, PA: Pennsylvania State University. Pennsylvania Transportation Institute.

Chicago

Henry JJ, Hegmon RR, . 1974. Pavement texture measurement and evaluation. University Park, PA: Pennsylvania State University. Pennsylvania Transportation Institute.

Harvard

Henry J., Hegmon R., . (1974). Pavement texture measurement and evaluation. University Park, PA: Pennsylvania State University. Pennsylvania Transportation Institute.

MLA

Henry JJ, Hegmon RR, . Pavement texture measurement and evaluation. University Park, PA: Pennsylvania State University. Pennsylvania Transportation Institute. 1974.