Não informado. Statistics of road traffic accidents in Europe and North America. United Nations, Economic Commission for Europe.
Citação do estilo Chicago (17ª ed.)Não informado. Statistics of Road Traffic Accidents in Europe and North America. New York: United Nations, Economic Commission for Europe.
Citação MLA (8ª ed.)Não informado. Statistics of Road Traffic Accidents in Europe and North America. United Nations, Economic Commission for Europe.
警告：这些引文格式不一定是100％准确.