Organisation for Economic Co-Operation and Development. (1976). Hazardous road locations: Identification and counter measures. OECD.
Chicago Style (17th ed.) ZitazioaOrganisation for Economic Co-Operation and Development. Hazardous Road Locations: Identification and Counter Measures. París: OECD, 1976.
MLA (9th ed.) ZitazioaOrganisation for Economic Co-Operation and Development. Hazardous Road Locations: Identification and Counter Measures. OECD, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.