Williams, M. C. (1984). Effects of converting a zebra to a pelican crossing. Transport and Road Research Laboratory.
Citación estilo ChicagoWilliams, Marian C. Effects of Converting a Zebra to a Pelican Crossing. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1984.
Cita MLAWilliams, Marian C. Effects of Converting a Zebra to a Pelican Crossing. Transport and Road Research Laboratory, 1984.
Warning: These citations may not always be 100% accurate.