Organisation for Economic Co-Operation and Development. (1976). Hazardous road locations: Identification and counter measures. OECD.
Cita Chicago (17th ed.)Organisation for Economic Co-Operation and Development. Hazardous Road Locations: Identification and Counter Measures. París: OECD, 1976.
Cita MLA (9th ed.)Organisation for Economic Co-Operation and Development. Hazardous Road Locations: Identification and Counter Measures. OECD, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.