APA

National Technical Information Service, NTIS, . (1990). Pavement skid resistance. June 1971-January 1990. Citations from the Compendex database. Springfield, VA: National Technical Information Service.

Chicago

National Technical Information Service, NTIS, . 1990. Pavement skid resistance. June 1971-January 1990. Citations from the Compendex database. Springfield, VA: National Technical Information Service.

Harvard

National Technical Information Service, NTIS, . (1990). Pavement skid resistance. June 1971-January 1990. Citations from the Compendex database. Springfield, VA: National Technical Information Service.

MLA

National Technical Information Service, NTIS, . Pavement skid resistance. June 1971-January 1990. Citations from the Compendex database. Springfield, VA: National Technical Information Service. 1990.