Newsome, L. R. (1967). A perceptual factor that could contribute to road accidents. Road Research Laboratory.
Citace podle Chicago (17th ed.)Newsome, L. R. A Perceptual Factor That Could Contribute to Road Accidents. Crowthorne: Road Research Laboratory, 1967.
Citace podle MLA (9th ed.)Newsome, L. R. A Perceptual Factor That Could Contribute to Road Accidents. Road Research Laboratory, 1967.
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