Williams, M. C. (1984). Effects of converting a zebra to a pelican crossing. Transport and Road Research Laboratory.
Chicago-Zitierstil (17. Ausg.)Williams, Marian C. Effects of Converting a Zebra to a Pelican Crossing. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1984.
MLA-Zitierstil (9. Ausg.)Williams, Marian C. Effects of Converting a Zebra to a Pelican Crossing. Transport and Road Research Laboratory, 1984.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.