APA
Asphalt Institute. Construction Leaflet nr 9, . (1974). Asphalt linings for sanitary landfills. College Park, MD: Asphalt Institute. Construction Leaflet nr 9.
Chicago
Asphalt Institute. Construction Leaflet nr 9, . 1974. Asphalt linings for sanitary landfills. College Park, MD: Asphalt Institute. Construction Leaflet nr 9.
Harvard
Asphalt Institute. Construction Leaflet nr 9, . (1974). Asphalt linings for sanitary landfills. College Park, MD: Asphalt Institute. Construction Leaflet nr 9.
MLA
Asphalt Institute. Construction Leaflet nr 9, . Asphalt linings for sanitary landfills. College Park, MD: Asphalt Institute. Construction Leaflet nr 9. 1974.