APA

Asphalt Institute. Information Series no 169 [IS-169], . (1977). Pavement rating system for low-volume asphalt roads. College Park, MD: Asphalt Institute. Information Series no 169 [IS-169].

Chicago

Asphalt Institute. Information Series no 169 [IS-169], . 1977. Pavement rating system for low-volume asphalt roads. College Park, MD: Asphalt Institute. Information Series no 169 [IS-169].

Harvard

Asphalt Institute. Information Series no 169 [IS-169], . (1977). Pavement rating system for low-volume asphalt roads. College Park, MD: Asphalt Institute. Information Series no 169 [IS-169].

MLA

Asphalt Institute. Information Series no 169 [IS-169], . Pavement rating system for low-volume asphalt roads. College Park, MD: Asphalt Institute. Information Series no 169 [IS-169]. 1977.