Rutley, K. S. (1987). Motorway signals and telephones: Frequency of use, public attitudes and experience. Transport and Road Research Laboratory.
Chicago-Zitierstil (17. Ausg.)Rutley, K. S. Motorway Signals and Telephones: Frequency of Use, Public Attitudes and Experience. Crowthorne: Transport and Road Research Laboratory, 1987.
MLA-Zitierstil (9. Ausg.)Rutley, K. S. Motorway Signals and Telephones: Frequency of Use, Public Attitudes and Experience. Transport and Road Research Laboratory, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.