Macdonald, M. D. (1989). Three car impact tests on the combined open box beam safety fence and timber noise barrier. Vehicle Safety Division, Vehicles Group, Transport and Road Research Laboratory.
Chicago Style (17th ed.) CitationMacdonald, M. D. Three Car Impact Tests on the Combined Open Box Beam Safety Fence and Timber Noise Barrier. Crowthorne, Berkshire: Vehicle Safety Division, Vehicles Group, Transport and Road Research Laboratory, 1989.
MLA (9th ed.) CitationMacdonald, M. D. Three Car Impact Tests on the Combined Open Box Beam Safety Fence and Timber Noise Barrier. Vehicle Safety Division, Vehicles Group, Transport and Road Research Laboratory, 1989.
Warning: These citations may not always be 100% accurate.