United States. National Highway Traffic Safety Administration. (2011). Quieter cars and the safety of blind pedestrians, phase 2: Development of potential specifications for vehicle countermeasure sounds. U.S. Dept. of Transportation, National Highway Traffic Safety Administration.
Chicago Style (17th ed.) CitationUnited States. National Highway Traffic Safety Administration. Quieter Cars and the Safety of Blind Pedestrians, Phase 2: Development of Potential Specifications for Vehicle Countermeasure Sounds. Washington, DC: U.S. Dept. of Transportation, National Highway Traffic Safety Administration, 2011.
MLA (9th ed.) CitationUnited States. National Highway Traffic Safety Administration. Quieter Cars and the Safety of Blind Pedestrians, Phase 2: Development of Potential Specifications for Vehicle Countermeasure Sounds. U.S. Dept. of Transportation, National Highway Traffic Safety Administration, 2011.