Newsome, L. R. (1967). A perceptual factor that could contribute to road accidents. Road Research Laboratory.
芝加哥风格引文Newsome, L. R. A Perceptual Factor That Could Contribute to Road Accidents. Crowthorne: Road Research Laboratory, 1967.
MLA引文Newsome, L. R. A Perceptual Factor That Could Contribute to Road Accidents. Road Research Laboratory, 1967.
警告：这些引文格式不一定是100％准确.