Webster, F. V. (1972). Priority to buses as part of traffic management. Transport and Road Research Laboratory.
Chicago-referens (17:e uppl.)Webster, F. V. Priority to Buses as Part of Traffic Management. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1972.
MLA-referens (9:e uppl.)Webster, F. V. Priority to Buses as Part of Traffic Management. Transport and Road Research Laboratory, 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.