Organisation for Economic Co-Operation and Development. (1981). Methods for evaluating road safety measures. OCDE.
Citazione stile Chigago Style (17a edizione)Organisation for Economic Co-Operation and Development. Methods for Evaluating Road Safety Measures. París, Francia: OCDE, 1981.
Citatione MLA (9a ed.)Organisation for Economic Co-Operation and Development. Methods for Evaluating Road Safety Measures. OCDE, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.