Watts, G. R. (1984). Evaluation of conspicuity aids for pedal cyclists. Transport and Road Research Laboratory.
Citación estilo ChicagoWatts, G. R. Evaluation of Conspicuity Aids for Pedal Cyclists. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1984.
Cita MLAWatts, G. R. Evaluation of Conspicuity Aids for Pedal Cyclists. Transport and Road Research Laboratory, 1984.
Warning: These citations may not always be 100% accurate.