APA

Kearns R., Ward J., . (1976). Skid resistance measurement test procedures for intercomparing FHWA national and regional reference systems. Washington DC: National Bureau of Standards. Institute for Basic Standards. Report nr 76-1174.

Chicago

Kearns RW, Ward JF, . 1976. Skid resistance measurement test procedures for intercomparing FHWA national and regional reference systems. Washington DC: National Bureau of Standards. Institute for Basic Standards. Report nr 76-1174.

Harvard

Kearns R., Ward J., . (1976). Skid resistance measurement test procedures for intercomparing FHWA national and regional reference systems. Washington DC: National Bureau of Standards. Institute for Basic Standards. Report nr 76-1174.

MLA

Kearns RW, Ward JF, . Skid resistance measurement test procedures for intercomparing FHWA national and regional reference systems. Washington DC: National Bureau of Standards. Institute for Basic Standards. Report nr 76-1174. 1976.