Kraay, J. H. (1985). An international study on the calibration of traffic conflict techniques. Institute for Road Safety Research SWOV, The Netherlands.
Chicago-Zitierstil (17. Ausg.)Kraay, J. H. An International Study on the Calibration of Traffic Conflict Techniques. Leidschendam: Institute for Road Safety Research SWOV, The Netherlands, 1985.
MLA-Zitierstil (9. Ausg.)Kraay, J. H. An International Study on the Calibration of Traffic Conflict Techniques. Institute for Road Safety Research SWOV, The Netherlands, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.